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Bibliographic Details
Main Authors:	Bakman, Yavuz, Yaldiz, Duygu Nur, Avestimehr, Salman, Karimireddy, Sai Praneeth
Format:	Preprint
Published:	2026
Subjects:	Machine Learning
Online Access:	https://arxiv.org/abs/2601.22313
Tags:	Add Tag No Tags, Be the first to tag this record!

Reject Only Critical Tokens: Pivot-Aware Speculative Decoding
by: Ziashahabi, Amir, et al.
Published: (2025)

Conformal Prediction Adaptive to Unknown Subpopulation Shifts
by: Wang, Nien-Shao, et al.
Published: (2025)

MARS: Meaning-Aware Response Scoring for Uncertainty Estimation in Generative LLMs
by: Bakman, Yavuz Faruk, et al.
Published: (2024)

Uncertainty as Feature Gaps: Epistemic Uncertainty Quantification of LLMs in Contextual Question-Answering
by: Bakman, Yavuz, et al.
Published: (2025)

Uncertainty Quantification for Hallucination Detection in Large Language Models: Foundations, Methodology, and Future Directions
by: Kang, Sungmin, et al.
Published: (2025)

Un-considering Contextual Information: Assessing LLMs' Understanding of Indexical Elements
by: Oguz, Metehan, et al.
Published: (2025)

CroMo-Mixup: Augmenting Cross-Model Representations for Continual Self-Supervised Learning
by: Mushtaq, Erum, et al.
Published: (2024)

Ghosted Layers: Unconstrained Activation Alignment for Recovering Layer-Pruned LLMs
by: Yun, Vincent-Daniel, et al.
Published: (2026)

TruthTorchLM: A Comprehensive Library for Predicting Truthfulness in LLM Outputs
by: Yaldiz, Duygu Nur, et al.
Published: (2025)

Do Not Design, Learn: A Trainable Scoring Function for Uncertainty Estimation in Generative LLMs
by: Yaldiz, Duygu Nur, et al.
Published: (2024)

Optimization with Access to Auxiliary Information
by: Chayti, El Mahdi, et al.
Published: (2022)

On the Limits of Momentum in Decentralized and Federated Optimization
by: Zaccone, Riccardo, et al.
Published: (2025)

LIA: Privacy-Preserving Data Quality Evaluation in Federated Learning Using a Lazy Influence Approximation
by: Rokvic, Ljubomir, et al.
Published: (2022)

Collaborative Heterogeneous Causal Inference Beyond Meta-analysis
by: Guo, Tianyu, et al.
Published: (2024)

Defection-Free Collaboration between Competitors in a Learning System
by: Werner, Mariel, et al.
Published: (2024)

Do Data Valuations Make Good Data Prices?
by: Fan, Dongyang, et al.
Published: (2025)

VoxGuard: Evaluating User and Attribute Privacy in Speech via Membership Inference Attacks
by: Tsaprazlis, Efthymios, et al.
Published: (2025)

DAVED: Data Acquisition via Experimental Design for Data Markets
by: Lu, Charles, et al.
Published: (2024)

A Differentially Private Kaplan-Meier Estimator for Privacy-Preserving Survival Analysis
by: Veeraragavan, Narasimha Raghavan, et al.
Published: (2024)

Beyond URLs: Metadata Diversity and Position for Efficient LLM Pretraining
by: Fan, Dongyang, et al.
Published: (2025)

Communication-Efficient Heterogeneous Federated Learning with Generalized Heavy-Ball Momentum
by: Zaccone, Riccardo, et al.
Published: (2023)

Entropy-driven Fair and Effective Federated Learning
by: Wang, Lin, et al.
Published: (2023)

f-INE: A Hypothesis Testing Framework for Estimating Influence under Training Randomness
by: Panda, Subhodip, et al.
Published: (2025)

Balancing Classification and Calibration Performance in Decision-Making LLMs via Calibration Aware Reinforcement Learning
by: Yaldiz, Duygu Nur, et al.
Published: (2026)

Robust Multi-Agent LLMs under Byzantine Faults
by: Lee, Haejoon, et al.
Published: (2026)

A Closer Look at Personalized Fine-Tuning in Heterogeneous Federated Learning
by: Chen, Minghui, et al.
Published: (2025)

Differentially Private Federated Learning without Noise Addition: When is it Possible?
by: Zhang, Jiang, et al.
Published: (2024)

ATP: Enabling Fast LLM Serving via Attention on Top Principal Keys
by: Niu, Yue, et al.
Published: (2024)

Black-Box Behavioral Distillation Breaks Safety Alignment in Medical LLMs
by: Jahan, Sohely, et al.
Published: (2025)

Deployment-Relevant Alignment Cannot Be Inferred from Model-Level Evaluation Alone
by: Vishwarupe, Varad, et al.
Published: (2026)

GEM: A Scale-Aware and Distribution-Sensitive Sparse Fine-Tuning Framework for Effective Downstream Adaptation
by: Kang, Sungmin, et al.
Published: (2025)

HARMONY: Hidden Activation Representations and Model Output-Aware Uncertainty Estimation for Vision-Language Models
by: Mushtaq, Erum, et al.
Published: (2025)

Safety Game: Inference-Time Alignment of Black-Box LLMs via Constrained Optimization
by: Nguyen, Tuan, et al.
Published: (2025)

Hawk: Accurate and Fast Privacy-Preserving Machine Learning Using Secure Lookup Table Computation
by: Saleem, Hamza, et al.
Published: (2024)

On Polynomial Approximations for Privacy-Preserving and Verifiable ReLU Networks
by: Ali, Ramy E., et al.
Published: (2020)

All Rivers Run to the Sea: Private Learning with Asymmetric Flows
by: Niu, Yue, et al.
Published: (2023)

Towards Distillation Guarantees under Algorithmic Alignment for Combinatorial Optimization
by: Le, Thien, et al.
Published: (2026)

Trust-Region Noise Search for Black-Box Alignment of Diffusion and Flow Models
by: Schweiger, Niklas, et al.
Published: (2026)

GeoToken: Hierarchical Geolocalization of Images via Next Token Prediction
by: Ghasemi, Narges, et al.
Published: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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