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cs.CLcs.AI Athira Gopal, Patil Prathamesh Pravin, Ankush Kadu et al. · Oct 22, 2026

Multilingual language models often fail to recognize that two names written in different scripts refer to the same person. This paper introduces a controlled benchmark of 601 audited identity pairs with attested Devanagari and Latin forms, plus a 374-item Malayalam replication set, to isolate cross-script entity matching failures. The authors find that Qwen2.5-7B's same-person accuracy collapses from 35.1% in Latin-Latin to 8.5% in Devanagari-Devanagari under Marathi prompts, then use probes, calibration, and activation patching to diagnose whether the model retains latent label information and where it can be causally intervened upon.

Multilingual language models can give different identity judgments when the same people's names are written in different scripts. We study this effect using 601 audited identity pairs with attested Devanagari and Latin forms, holding the question and relation fixed. Qwen2.5-7B's same-person accuracy falls from 35.1% in Latin to 8.5% in Devanagari under Marathi prompts, while different-person accuracy remains above 98%. Evaluation across five models reveals distinct response biases, and reduced tokenization fragmentation does not reliably close the gap. Replicating the design on 374 audited Malayalam pairs built from the same entities reproduces the effect in a second script and language family: same-person accuracy falls to 5.3%, about half the matched Devanagari rate, while the margin still ranks matching above non-matching names at 0.925 AUROC. Latin-trained probes recover label information from Devanagari states, exceeding a string-feature baseline under similarity-matched negatives. Scalar calibration recovers 87% of the raw model-probe balanced-accuracy gap, identifying decision criterion placement as a major contributor. Activation patching localises causal sensitivity to the second entity in Qwen's middle layers; one shared sensitivity direction transfers about half the full-state margin correction. A fact-independent intervention at this site raises held-out Marathi same-person accuracy from 6.5% to 33.5%, with 98.5% different-person accuracy. Together, these results distinguish script-dependent discrimination from criterion placement and identify a causal site for improving identity judgments.
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cs.CVcs.AI Thanh-Khoi Nguyen, Thien-Phuc Tran, Minh-Triet Tran · Oct 22, 2026

RecallGS tackles online open-vocabulary semantic 3D Gaussian Splatting from streaming images. Rather than learning a heavy 3D U-Net to inject geometric context into 2D CLIP features, it treats the agent's observation history as a non-parametric prior: it retrieves relevant past frames with CLIP, verifies their geometric support via alpha-compositing weights, and fuses the verified historical semantics into the current Gaussians. The core claim is that this training-free recall-ground-fuse pipeline recovers geometry-aware semantic context without the inference overhead of an additional learned 3D branch.

Online semantic 3D Gaussian Splatting (3DGS) enables open-vocabulary scene understanding from streaming observations. However, existing methods recover geometric context missing from image-derived semantic features using an additionally learned 3D network, incurring extra training and runtime overhead. We observe that such geometric-semantic evidence may already exist in the agent's observation history and can be retrieved rather than learned. Based on this insight, we introduce RecallGS (Geometry-Grounded Recall for Online Semantic Gaussian Splatting), a lightweight, training-free mechanism that treats past observations as a non-parametric geometric-semantic prior. RecallGS follows a recall-ground-fuse pipeline: CLIP retrieves relevant observations, alpha-compositing weights identify geometrically supported views, and aggregate their semantic features over each Gaussian's rendered footprint. On ScanNet and ScanNet++, RecallGS achieves strong semantic segmentation performance at 2.48 FPS, demonstrating that geometric-semantic context can be effectively recovered from observation history without an additional learned 3D branch.
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cs.AI Philipp von Manteuffel, Benjamin Blankertz · Oct 22, 2026

This paper addresses the NP-hard Flood-It minimization and decision problems on colored graphs. The authors develop a tailored A* search using novel game-state equivalences, lower-bound heuristics, and pruning rules, and compare it against SAT, ILP, and CP formulations. The study matters because it provides the first systematic empirical comparison of exact solvers for Flood-It, showing that domain-informed search dominates on most modest instances while SAT scales better on the hardest cases.

We present an optimized approach for finding minimal move sequences to solve Flood-It puzzles using A* search and compare it with approaches using SAT, Integer Programming, and Constraint Programming solvers. The performance of A* search is considerably improved by using an appropriate heuristic and sophisticated equivalences of game states to limit the search space. Each aspect is systematically evaluated, providing insights that generalize to other problems. By comparing the best variant of each approach, the A* search is the fastest in finding a minimal solution in about 75 % of the Flood-It instances tested. This result is in line with our expectation since A* specifically looks for a minimum solution. In contrast, the SAT-based approach is designed to solve the decision problem of whether a solution with a given length exists. An iterative search is required to determine a minimum solution length using a SAT-based approach. However, with increasing complexity, quantified by the minimum solution length, the SAT-based approach outperforms A*. We also compared the different approaches to the decision problem, where A* again performed best for the largest number of puzzles. Here, again, SAT supersedes A* for higher complexities, albeit with a lower crossing point.
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cs.SEcs.AIcs.ET Maria Gabriela Alves Zuppardo, Vinicius Cardoso Garcia · Oct 22, 2026

Multi-agent LLM pipelines are widely assumed to outperform single-call setups, yet it is unclear whether gains come from typed inter-agent contracts or merely from decomposition into specialized prompts. This paper conducts an 18-condition controlled experiment on requirements classification and MoSCoW prioritization using three small language models on the PROMISE NFR+ dataset. The core finding is that most accuracy gains are associated with decomposition and task-specific prompts rather than with Pydantic-validated typed states, though the typed contract shows other quality-assurance properties such as earlier fault containment.

Multi-agent LLM pipelines are often credited with gains in software engineering tasks, but it is rarely clear whether a gain stems from the typed contract between agents or from the specialized prompts that decomposition enables. We study this attribution problem in Requirements Engineering, comparing three architectures for classifying requirements as functional or non-functional and then prioritizing them with MoSCoW: a single-call baseline; a two-call variant that reuses the pipeline's specialized prompts but passes an unvalidated intermediate; and a pipeline with a Pydantic-validated typed state. The 18 conditions cover PROMISE NFR+ (625 requirements), three locally hosted small language models, and two languages. The F1 gain over the baseline is associated with the two-call, specialized-prompt variant (up to +0.075), whereas the typed state adds a small difference (-0.003 to +0.013) that is significant in one of six comparisons. Beyond accuracy, the typed pipeline contains out-of-range model outputs at the agent boundary, while the unvalidated variant fails later and drops the requirement, and it shows a small, reproducible increase in inter-model MoSCoW consistency whose cause our design cannot isolate. The study is associative: the contrasts bundle prompts, call count, and staged context, and the results come from three 7--8B models on one dataset. The implementation and replication package are archived on Zenodo (https://doi.org/10.5281/zenodo.23380444).
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cs.CRcs.AI Justin Tan, Miao Li, Ding Zhao · Oct 22, 2026

LLM email agents increasingly handle sensitive inboxes, yet conventional phishing benchmarks only test whether models classify emails as malicious, not whether they actually obey harmful requests inside them. This paper introduces AgentPhishing, a benchmark that scores both detection failure and compliance with malicious requests, and PhishOpt, an adaptive optimizer that evolves target-specific email-generation skills using agent feedback under a realism constraint. The core finding is that agents which safely handle static, pre-existing phishing emails can be driven to near-zero detection and high compliance when attacks are adapted to their behavior, exposing a major gap in current safety evaluation.

Computer-use agents increasingly handle private information and act on users' behalf across desktop and web applications, including email. Phishing therefore poses privacy and security risks that depend not only on whether agents recognize malicious messages, but also on how they respond. Existing phishing datasets were developed primarily for conventional detection, leaving agent susceptibility to persuasive malicious requests insufficiently characterized. To expose vulnerabilities that pre-existing datasets may miss, we introduce AgentPhishing, a benchmark for evaluating whether persuasive phishing attacks can evade detection and induce LLM email agents to comply with malicious requests. We develop PhishOpt, which optimizes reusable email-generation skills against individual agents under fixed benchmark constraints and a realism constraint. We analyze the generated emails using Cialdini's persuasion principles to identify strategies associated with agent failures and use these findings to construct a universal generation skill. Our evaluation shows that agents can handle pre-existing phishing emails safely yet remain susceptible to attacks adapted to agent behavior, while in an AgentPhishing evaluation of nine agents, four exhibit phishing-detection rates below $10\%$ and malicious-request compliance rates above $45\%$. These results highlight the limits of inferring agent safety from conventional phishing evaluations and the need to assess how agents respond to persuasive malicious requests.
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cs.LGcs.AI Jinjian Jiang, Jing Peng, Rehan Deen et al. · Oct 22, 2026

Meta-Diff reframes few-shot diffusion adaptation as reusable transport in a low-dimensional task space, avoiding per-target backbone retraining. A shared encoder maps source and target distributions to coordinates $z$, and a learned affine map $\widetilde{z}_T = A z_S + b_c$ predicts the target coordinate from a data-rich source without using any target images at deployment. This is especially consequential in domains like healthcare, where target data are scarce and collecting them is costly or privacy-sensitive.

Many deployments require a model to move rapidly from a data-rich source to a related target observed only sparsely. This is especially consequential where target data are difficult to collect, as in healthcare settings with persistent population or acquisition imbalances. Retraining or fine-tuning a high-capacity generator for every target is costly and can be statistically unreliable when target data are scarce. We introduce Meta-Diff, which instead learns a recurring source--target relation once in a compact task space. A shared encoder maps each distribution to a low-dimensional coordinate; a learned relation transports a new source coordinate to its predicted target, and a shared diffusion backbone generates from that prediction without target-specific retraining. Controlled Gaussian-mixture experiments identify when this works: task identity must survive the representation, the relation must generalise across tasks, and the source--target shift must leave useful headroom for transport. On held-out CIFAR-100 validation tasks, correct source $+$ transport achieves 13.9% lower mean SW than transport from the wrong source. With validation-selected adaptation settings in the final-test one-target comparison, its mean SW is 14.7% lower than target-only modelling and 32.7% lower than full fine-tuning; the main route itself uses no target image and assumes the applicable relation is known. On matched CIFAR test episodes, generating from the clean-source coordinate and then applying the known corruption yields lower SW than task-space transport. Office-Home exposes a complementary boundary: transport can align target-domain statistics without reliable object identity. Together, these results recast extreme-few-shot adaptation as reusable transport in task space, while making the conditions for its success and failure directly measurable.
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cs.AI Simon Hegelich, Bardh Prenkaj, Habiba Sarhan et al. · Oct 22, 2026

This paper asks why modern AI hits ceilings despite scale, data, and compute, and answers that open-ended intelligence requires co-recursive semantic self-extension: a continuous cycling between object-level inference and meta-level transformation of both formal languages and goals. Drawing on Kant, Gödel, and Hegel, it argues that fixed architectures—from LLMs to Gödel machines—are inherently bounded, and that only collectives with persistent external memory can escape determinism. It is an ambitious attempt to reframe AGI as a logical process of indefinite semantic reconstruction.

Artificial intelligence has advanced through scale, data, and computation, yet remains bounded by its representational framework. We ask what makes intelligence open-ended. Every inferential system selects meaningful distinctions, limiting what it can learn. Within a fixed purpose, performance reaches a ceiling set by its semantic domain. Teleological succession, in which purposes arise from earlier ones, faces a similar limit: Boolean-closed purpose-transformations exhaust their reachable semantic territory. We shift from purposes to inferential systems. Drawing on Kant and G\"odel, we model cognitive states as partial evaluations over a formal language. Unresolved propositions may be undecided or undecidable. Reasoning can resolve the former but not the latter, leaving a frontier for extension. Non-trivial reductions of undecidable propositions expose undecidable intermediate premises whose reflective reification supports multiple decisive extensions. Finite trace-guided generation remains fallible, requiring meta-level selection and polycontextural exploration. Using Kolmogorov complexity, we show that no architecture with a fixed state description, transition mechanism, and initial condition can generate histories incorporating irreducible algorithmic information. Because physical systems are fixed in this sense, we examine collectives. Coupling finitely many finite agents does not remove the bound. Extension requires persistent external memory preserving semantic content and historical coordinates. Collective generative capacity depends on balancing overlap for transfer with difference for generation. We propose semantic self-extension as a design principle: intelligence should not merely resolve ambiguity within existing meanings, but transform unresolved structures into new spaces of meaning, generating new distinctions, questions, representations, and purposes.
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cs.AI Haohui Zhang, Xinyu Hu, Wouter van Heeswijk et al. · Oct 22, 2026

Selective combinatorial optimization problems (SCOPs) such as the Orienteering Problem and Knapsack Problem require jointly deciding which elements to serve and how to route or pack them, causing sampled solutions to vary widely in objective value. The paper proposes Reward-Weighted Preference Optimization (RWPO), a training objective that scales each pairwise preference loss by the normalized reward gap between trajectories, preserving cardinal solution-quality information that standard preference optimization discards. This matters because binary preference signals struggle when subset selection creates sparse, high-variance reward landscapes, and the authors show that retaining reward-gap information yields more stable training and stronger generalization to large instances.

Reinforcement learning has emerged as an effective approach for combinatorial optimization, but most existing methods focus on problems such as the Travelling Salesperson Problem (TSP) in which all elements must be served. Selective combinatorial optimization problems (SCOPs), including the Orienteering Problem (OP), Prize-Collecting TSP (PCTSP), Stochastic PCTSP and Knapsack Problem (KP), additionally require selecting which elements to include. This selection creates sampled solutions with substantially different objective values, yet standard preference optimization reduces such comparisons to binary rankings and discards the magnitude of these differences. We introduce Reward-Weighted Preference Optimization (RWPO), a pairwise training objective that incorporates reward-gap information into preference learning. For candidate trajectories sampled from the same instance, RWPO weights each preference loss according to the normalized difference in their rewards, assigning greater training emphasis to comparisons that represent larger improvements in solution quality. We further combine RWPO with scale-specific fine-tuning and reward- and likelihood-weighted tilted sampling to adapt trained policies to larger and shifted instance distributions without relying on local-search post-processing. Experiments on the OP, PCTSP, Stochastic PCTSP, and KP show that RWPO consistently improves over unweighted preference optimization and policy-gradient baselines across a wide range of instance sizes. On the OP, the resulting solver exceeds the mean reward of the Compass metaheuristic at scales from 100 to 2,000 nodes. The results demonstrate that preserving reward-gap information can substantially improve preference-based learning for selective combinatorial optimization and support generalization to large-scale instances.
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eess.IVcs.AI Fabio Mattiussi, Switinder Ghotra · Oct 22, 2026

QICOM is an open-source desktop application that unites quantitative medical image comparison, paired radiomics, and blinded observer assessment into a single reproducible workflow. It tackles the fragmentation problem that forces researchers to juggle separate tools and scripts, losing the link between images, settings, and results. By saving native projects, configurations, and blinded response mappings, it enables any comparison to be reopened and recalculated, which is essential for trustworthy evaluation of image-processing methods and acquisition protocols.

QICOM (Quality Image COMparator) is open-source software for quantitative image comparison, paired radiomics, and blinded assessment. It saves processing settings, image identities, measurements, and response mappings so a comparison can be reopened and recalculated. We evaluate reference agreement, responses to controlled perturbations, and recovery of saved analyses. Synthetic experiments cover 37 quantitative descriptors using independentnumerical references and separate upstream integration comparisons. The QICOM/MIRP backend meets the reference tolerances for all 482 numeric IBSI 1 digital-phantom entries and all 1,622 entries across configurations A-E of the public CT reference case; these comprise 1,804 feature/aggregation comparisons and 300 preprocessing diagnostics. Restricting masked SSIM and HFEN to complete kernel support removes the observed dependence on excluded pixels. In a synthetic filtering example, stronger smoothing increases SSIM while worsening MSE and HFEN relative to milder smoothing and changing GLCM contrast more strongly. Reopened radiomics projects reproduce all 43 feature pairs per comparison, and two blinded deliveries return four correctly mapped scripted responses. These experiments document the calculations and data transfers linking the three workflows.
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cs.AI Tianyu Lu, Kaicheng Yang, Jiangtao Feng et al. · Oct 22, 2026

Trion-1 tackles the fragmentation of protein modeling across specialized systems by unifying protein sequence, 3D structure, and natural language in a single 4B diffusion language model. Its core idea is to represent all three modalities in a shared discrete token space and model them with a non-causal diffusion backbone, enabling global residue interactions for structure prediction while retaining LLM-style language capabilities. The work matters because it attempts to turn six core protein capabilities—folding, inverse folding, understanding, and design—into composable generative primitives within one model.

We envision a general-purpose protein foundation model as a unified, interactive model of sequence, structure, and function, capable of understanding, generation, and cross-modal translation while retaining the instruction-following and reasoning capabilities of modern LLMs. Toward this vision, we introduce Trion-1, the first native, unified, multimodal diffusion language model (dLLM) for proteins. Trion-1 is built on two key design choices: (1) a unified discrete token space that jointly represents sequence, structure, and natural language; (2) a dLLM backbone that replaces strict left-to-right factorization with bidirectional or semi-bidirectional token interactions, enabling global residue communication and long-range contact modeling that are naturally suited to structure modeling. This formulation unifies six core capabilities: folding, inverse folding, sequence understanding, structure understanding, sequence design, and structure design, while retaining the native language capabilities of general-purpose LLMs. On established benchmarks, Trion-1 achieves broadly competitive performance. In folding, Trion-1 achieves a TM-score above 0.8 with a single sample under strict homology control, matching or exceeding the existing tri-modal model using 200 samples. For sequence understanding, Trion-1 performs on par with top-tier LLMs such as Claude Opus 4.7 (62.37%). These results support well-aligned sequence-structure-language representations and strong cross-modal generative capabilities.
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cs.CLcs.AIcs.HC Shmuel Amar, Benjamin Lieber, Ori Shapira et al. · Oct 22, 2026

CoWriter tackles passive human supervision in LLM writing tools by adapting cognitive-science co-authoring methodologies into a proactive agentic workflow. It deploys three specialized agents—Leader, Monitor, and Reviewer—to guide users through brainstorming, outlining, drafting, and revision while sustaining engagement and narrative control. A within-subjects study with 14 graduate-student participants shows authors feel substantially greater ownership and produce texts rated higher in human-touch qualities.

While LLMs have transformed text generation, standard chat-and-canvas interfaces often reduce human authoring to quite passive supervision, causing review fatigue, over-reliance on AI, and the sidelining of the human role in long-form, source-grounded writing. Prior systems typically address isolated writing phases, leaving comprehensive end-to-end human-LLM collaboration largely unexplored. In this paper, we introduce CoWriter, a proactive agentic scheme that adapts expert human (co-)authoring methodologies from cognitive science to flexibly steer the entire writing workflow while actively encouraging the user to engage. In an exploratory user study, compared to a standard LLM baseline, authors using CoWriter better expressed their perspectives and maintained a higher sense of document ownership, supported quantitatively by $2.2\times$ more successful agent engagements. Furthermore, external reader judges rated the resulting texts higher in "human touch" qualities like storytelling and integrating unique personal experiences. Overall, our results demonstrate that proactively engaging users through established human practices is beneficial for effective LLM-supported co-authoring, providing useful methodologies, techniques and insights for future research on collaborative agents.
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cs.LGcs.AIcs.SY Felix Saretzky · Oct 22, 2026

High-speed FMCG manufacturing loses billions to unplanned downtime because maintenance software often relies on associational predictions that can misrank corrective actions when confounders or mediators are present. This dissertation proposes PriMa-Causa, a framework that inserts a Causal Reasoning Layer between fault prediction and action recommendation, using a graph-conditioned tabular foundation model—pre-trained once on synthetic structural causal models—to answer interventional queries $P(Y \mid do(T{=}t), X{=}x)$ in a single forward pass. If the empirical chapters deliver on the design, the work could materially improve maintenance efficiency by targeting what actions do rather than what they merely predict.

Automated manufacturing requires data-driven decisions under uncertainty and sparse observational records, and unplanned downtime is a dominant cost of getting them wrong. Prescriptive maintenance recommends a maintenance action against an impending failure rather than merely predicting it. Established reference architectures couple predictive models with rule- or optimisation-based recommendation logic. Selecting a corrective action, however, requires an interventional quantity: how the line behaviour would change if the action were set. Manufacturing data is observational, so a model fitted to predict the outcome estimates an associational quantity and may misdirect the choice of action without the prediction error revealing it. Causal estimators target the interventional quantity but require an expert-led causal study per case, for which the bounded decision window of operation leaves no room. This dissertation analyses how causal reasoning can be embedded into prescriptive maintenance so that actions are ranked by their estimated interventional effect. The result is PriMa-Causa, built from three components: a causal reasoning layer that integrates the estimate into the PriMa reference model, a parametric simulator that supplies the interventional ground truth absent from manufacturing data, and a graph-conditioned tabular causal foundation model that, pre-trained once on this synthetic production-line prior, answers interventional queries in a single forward pass. PriMa-Causa attains a lower prescription error than associational baselines, with the largest margin under weak overlap and sparse context, and a partially disclosed causal graph reduces this error further. The causal inductive bias of the synthetic prior and the graph conditioning can thus replace per-case estimator fitting, a step toward automating causal inference for autonomous and self-healing maintenance.
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cs.CLcs.AI Mateusz Modrzejewski, Tomasz Radzikowski · Oct 22, 2026

Reward models score responses to steer alignment and filtering, but pairwise benchmarks compare only answers to the same prompt, leaving prompt-level score shifts completely invisible. This paper shows that eighteen released scorers exhibit far larger between-prompt variance than human ratings, proposes a three-part human-referenced audit to isolate the source, and warns that blindly subtracting prompt means can actually degrade global response selection.

Reward models score responses for preference optimization, filtering and ranking, and pooling scores across prompts needs them to be comparable. Yet pairwise evaluation compares two responses to the same prompt, so any score component shared by a prompt's responses cancels and goes untested. We study this component by comparing between-prompt variation in model scores with the same variation in human ratings of the same responses. We propose a human-referenced audit, built from a between-prompt variance share, a sibling-rating regression and prompt substitutions, and apply it to eighteen released scorers and six matched training conditions. We find that scores cluster by prompt more than the ratings do: on HelpSteer2, six reward models have between-prompt shares of 0.34 to 0.64 against a human share near zero. Replacing the original prompt with a fixed instruction keeps substantial clustering but weakens agreement with prompt-level human ratings, so clustering alone does not show agreement with humans. Part of that variation is useful: subtracting prompt means lowers the helpfulness of globally selected responses, and scores stay sensitive to a wrong prompt even when training shuffles prompt means. We propose that reward evaluation check between-prompt variation, sensitivity to a wrong prompt and usefulness for selection separately.
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cs.CRcs.AI Arsalan Jalil Sarghaleh, Mehdi Hazrati · Oct 22, 2026

Access-control systems increasingly combine mined rules with learned classifiers, relying on a small trusted shield and a region map to route decisions. This paper audits the two hand-built artifacts that sit between verified code and measured ML but are themselves unchecked: the hard-deny set read from policy prose and the region map produced by the mining pipeline. Through exhaustive soundness checks on public ABAC policies, blind LLM elicitation, and an exact decomposition of hybrid routing risk, it shows that prose-derived deny sets are frequently unsound, standard miners emit the wrong kind of rule set for hybrid routing, and the routing benefit cannot be read from a single loss metric. The results matter because these silent failures propagate the authority of a trusted shield into wrong denials and degenerate routing.

Learned access control is typically deployed behind two hand-built artefacts: a hard-deny set enforced by a small trusted shield, and a region map that decides which requests mined rules answer and which the learner answers. Verifying the shield or measuring the learner validates neither. We audit both on the five public ABAC Lab policies. First, we formalise hard-deny soundness and check it exhaustively over relations of up to 794,250 tuples. Clauses that faithfully transcribe an explicit restriction are unsound at rates of 0.50-0.70 across four elicitors - an author and three blind language-model elicitors - because prose scopes restrictions to a section while the grant relation is a disjunction over all rules: 97% of counterexamples are granted by other rules. Shipped unchecked, these deny sets would withhold 16-78% of everything the policies grant; certified, they withhold nothing. Vacuity, a second silent failure, also occurs. Second, hybrid routing needs a two-class, abstaining rule set that ABAC miners do not emit, and ranking a mixed-effect candidate pool under a cap is one-class in all 24 cells for the two commonest ranking keys. Third, for additive losses the hybrid-versus-learner effect factorises into covered mass times a rule-learner risk contrast that must be reported on both false-non-grant and false-permit loss: on two real policies, most selection rules give opposite verdicts on the two losses, and the one favourable on both holds for one policy, one learner configuration and a band of noise levels. A released artefact regenerates and checks every reported number.
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cs.SDcs.AIeess.AS Wei-Jaw Lee, Chun-Ping Wang, Xuanjun Chen et al. · Oct 22, 2026

Text-to-music alignment is usually tested with a single global similarity score that hides which specific musical attributes are missing or misaligned. This paper proposes MQAScore, a fine-grained evaluator that uses a large audio language model to verify each atomic concept—across genre, instrument, mood\/theme, vocal, and usage dimensions—via binary question answering. The work matters because it moves beyond opaque global scores toward interpretable, per-dimension diagnostics that can directly guide improvements in text-to-music generation systems.

Text-to-music alignment is commonly evaluated by the global similarity between text and audio embeddings, which collapses all described attributes into a single score and obscures which ones are missing. We instead introduce MQAScore, which verifies each atomic musical concept along five clip-level dimensions (genre, instrument, mood/theme, vocal, and usage) by the probability that a large audio language model (LALM) answers affirmatively to a binary question. To assess evaluator reliability, we construct verification labels from presence/absence annotations and LLM-guided concept substitutions, and propose the Sensitivity-Invariance Ratio, which measures how selectively an evaluator responds to meaning-changing substitutions. Experiments show that concept-level scoring improves both question-answering and similarity-based evaluators, and MQAScore can be a more reliable and interpretable fine-grained complement to global similarity for evaluating text-to-music alignment.
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cs.CLcs.AIcs.IR Yifan Yuan, Yancheng Zhu, Zuoyu Zhang et al. · Oct 22, 2026

Automated survey generation has relied on flat document retrieval, which misses the evolutionary structure of research fields. SurveyGraph tackles this by constructing a Methods-Entity Knowledge Graph (MEKG) that encodes typed method-level relations—such as extends, improves, and applies—across papers. The graph then serves as a unified backbone for core-paper discovery, graph-aware retrieval, hybrid outline generation, and evolutionary narrative synthesis, aiming to make survey generation more auditable and structure-aware.

Most automated survey generation systems retrieve papers as flat documents, limiting their ability to capture research structure. We present SurveyGraph, a framework built around a Methods-Entity Knowledge Graph (MEKG) encoding method-level follow-on, competition, and shared-resource relations. The graph supports core-paper discovery, retrieval, hybrid outlining, and evidence-gated narrative synthesis. We evaluate retrieval, semantic edges, citation grounding, collection coverage, and generation-stage components. In a controlled seven-method equal-budget benchmark, MEKG-anchored fusion balances recall and structural density, with an independent co-citation check. In a separate archived graph-native diagnostic, graph-aware retrieval nearly doubles recall over flat lexical baselines across eight runs (p = 0.004). A semantic evidence gate achieves AUC = 0.75. Audits of 160 generated sentences find 80.6% anchored-or-partial citation support. Human adjudication of 108 stratified semantic edges finds 68.5% supported-or-partial relations (binary-support Cohen's kappa = 0.64), with improves strongest (80.6%) and extends weakest (52.8%). A SurveyBench-facing collection probe reaches mean reference coverage of 0.521 across four topics with an eight-paper budget. Same-backend Qwen diagnostics on a 30-paper/74-relation graph show reduced organization signals when hybrid outlining is removed. Concurrent-system comparisons provide bounded context rather than matched-backend end-to-end evidence. The results position MEKG as an auditable structural layer for typed diagnostics, relation-specific filtering, and controlled survey generation. Code and artifacts: https://github.com/xzzvsxd/SurveyGraph.
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cs.AI Alexy Bhowmick, Sarat Saharia, Shyamanta M. Hazarika · Oct 22, 2026

Scene retrieval requires compact image representations that preserve geometric invariance without sacrificing discriminative power. This paper proposes aggregating multi-scale, second-order CNN statistics using a Fisher Kernel framework, yielding a global descriptor for scalable search. The core idea is to replace explicit visual vocabularies with Gaussian mixture modeling and to pool Fisher-encoded features across image resolutions. The authors evaluate this on standard INRIA Holidays and UKBench benchmarks, claiming improved mAP over classical aggregation baselines.

Aggregating CNN responses into a compact discriminative vector, given their lack of geometric invariance, is a challenge. To address this challenge, we propose a codebook-free method to encode second-order information of multi-scale CNN features within the Fisher Kernel framework. We use a scalable retrieval pipeline to show the efficacy of the proposed vector. The increased discriminative power is confirmed by experimental evaluation of our method on two difficult benchmarks (INRIA Holidays, UKBench). The significant improvement in retrieval accuracy over state-of-the-art approaches comes with only a slight dimension increase.
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cs.AI Ofek Avivi, Eliron Rahimi, Avi Mendelson et al. · Oct 22, 2026

T2Quant addresses the challenge of quantizing Diffusion Language Models (DLMs), whose iterative denoising process makes activation precision sensitivity vary across both tasks and timesteps. The core idea is a label-free proxy—combining local KL divergence with downstream influence—to predict where extra precision helps most, then allocating mixed activation bit-widths across denoising steps via exact dynamic programming under a fixed average budget. This yields consistent accuracy gains of up to 6.7 percentage points over fixed-precision quantized baselines on three DLMs and six benchmarks.

Diffusion Language Models (DLMs) introduce unique quantization challenges due to their iterative denoising process. In this work, we reveal that quantization sensitivity is both taskand time-dependent, with different downstream tasks exhibiting distinct precision requirements across denoising steps. We further show that these patterns can be predicted without groundtruth labels or task-specific evaluation metrics. Building on these findings, we introduce T 2Quant, a task and time-aware mixedprecision quantization framework that uses a label-free sensitivity signal to optimally allocate activation precision across denoising steps under a fixed bit-width budget. Extensive experiments across three DLMs and six benchmarks demonstrate that T 2Quant consistently improves the average accuracy of existing quantization methods, achieving gains of up to 6.7 percentage points under the same budget.
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cs.AI Jingxuan Xu, Zihang Xu, Yuechen Luo et al. · Oct 22, 2026

Long-horizon coding agents often notice failures yet keep following flawed plans. RIPPLE tackles this "Critique-to-Action Handoff Gap" by internalizing recovery supervision into a single self-correcting policy. It decomposes recovery into reflection triggering, diagnosis, and corrective action, using a prefix-only teacher and stage-specific RL credit that gates trajectory advantages with local validity signals. The result is a mean improvement of about 4.8 points across four software-engineering benchmarks without an online critic at deployment.

Long-horizon coding agents can observe a failure and generate a plausible critique yet continue along the same incorrect trajectory. We call this the Critique-to-Action Handoff Gap. We introduce RIPPLE, a recovery-oriented training framework that internalizes process-level guidance into a single self-recovering policy. A prefix-only teacher provides evidence-grounded recovery supervision without access to future actions or terminal outcomes. After lightweight distillation, reinforcement learning assigns stage-specific credit to reflection triggering, diagnosis, and corrective action. Local validity signals gate trajectory advantages so that intermediate recovery decisions do not indiscriminately inherit terminal outcomes. Across four repository-level software-engineering benchmarks, RIPPLE improves the base policy by an arithmetic mean of 4.8 score points, with no auxiliary critic at deployment. Controlled ablations isolate the benefits of local, stage-aligned credit, and matched-prefix interventions show that critique semantics affect subsequent correction. Recovery gains concentrate where the prefix contains sufficient diagnostic evidence and the repository state remains reversible within the remaining budget.
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cs.CLcs.AI Yancheng Zhu, Yifan Yuan · Oct 22, 2026

StateTrack-Bench studies whether LLMs can keep obeying a persistent rule across multi-turn conversations. The authors define State Integrity Collapse (SIC): a model remembers a constraint yet fails to enforce it in later answers, a failure mode they distinguish from ordinary forgetting. They evaluate seven pinned model snapshots across five constraint categories and five dialogue depths, showing that compliance decay is concentrated in symbolic rules and in one notably brittle model, and they argue convincingly that single-turn instruction-following metrics are insufficient for deployed assistants.

Large language models can repeat an instruction while failing to keep obeying it. We study this recall-compliance dissociation in long-horizon dialogue and define State Integrity Collapse: a model preserves a stated constraint in memory but stops applying it to later turns. We introduce StateTrack-Bench, a controlled suite of conversations covering numerical, format, role/persona, factual-memory, and logical-rule constraints. Across seven provider-pinned model snapshots and five dialogue-depth probes, strict joint retention ranges from 62.4% to 100.0%, with degradation concentrated in symbolic constraints and in one especially brittle model. A forked recall audit shows that 88.6% of observed failures are behavioral-drift failures rather than ordinary forgetting; excluding the brittle outlier preserves this diagnosis (84.4% of failures). Extended evaluations at depths up to 50 turns confirm that the dissociation persists beyond the core benchmark, while Structured State Anchoring recovers up to 24.4 points on immutable constraints. The results show that reliability cannot be inferred from single-turn instruction following alone; evaluation must track whether remembered constraints remain operational as dialogue state grows. Code and artifacts are available at: https://github.com/xzzvsxd/StateTrack.