Diagnosing LLM Reranker Behavior Under Fixed Evidence Pools

Fuente: arXiv

Enregistré dans:

Détails bibliographiques
Auteurs principaux:	Arat, Baris, Sefer, Emre
Format:	Preprint
Publié:	2026
Sujets:	Machine Learning Computation and Language Information Retrieval
Accès en ligne:	Acceder al recurso
Tags:	Ajouter un tag Pas de tags, Soyez le premier à ajouter un tag!

Documents similaires

Beyond Sequential Reranking: Reranker-Guided Search Improves Reasoning Intensive Retrieval
par: Xu, Haike, et autres
Publié: (2025)

Drowning in Documents: Consequences of Scaling Reranker Inference
par: Jacob, Mathew, et autres
Publié: (2024)

Rank1: Test-Time Compute for Reranking in Information Retrieval
par: Weller, Orion, et autres
Publié: (2025)

Beyond Retrieval: Ensembling Cross-Encoders and GPT Rerankers with LLMs for Biomedical QA
par: Verma, Shashank, et autres
Publié: (2025)

GraphER: An Efficient Graph-Based Enrichment and Reranking Method for Retrieval-Augmented Generation
par: Miao, Ruizhong, et autres
Publié: (2026)

Efficient Rationale-based Retrieval: On-policy Distillation from Generative Rerankers based on JEPA
par: Chen, Teng, et autres
Publié: (2026)

Solving the Content Gap in Roblox Game Recommendations: LLM-Based Profile Generation and Reranking
par: Wang, Chen, et autres
Publié: (2025)

DS@GT at TREC TOT 2025: Bridging Vague Recollection with Fusion Retrieval and Learned Reranking
par: Zhou, Wenxin, et autres
Publié: (2026)

Enhancing Q&A Text Retrieval with Ranking Models: Benchmarking, fine-tuning and deploying Rerankers for RAG
par: Moreira, Gabriel de Souza P., et autres
Publié: (2024)

Relevance Isn't All You Need: Scaling RAG Systems With Inference-Time Compute Via Multi-Criteria Reranking
par: LeVine, Will, et autres
Publié: (2025)

1-800-SHARED-TASKS at RegNLP: Lexical Reranking of Semantic Retrieval (LeSeR) for Regulatory Question Answering
par: Purbey, Jebish, et autres
Publié: (2024)

Don't "Overthink" Passage Reranking: Is Reasoning Truly Necessary?
par: Jedidi, Nour, et autres
Publié: (2025)

Improving Bilingual Lexicon Induction with Cross-Encoder Reranking
par: Li, Yaoyiran, et autres
Publié: (2022)

Efficient Title Reranker for Fast and Improved Knowledge-Intense NLP
par: Chen, Ziyi, et autres
Publié: (2023)

AcuRank: Uncertainty-Aware Adaptive Computation for Listwise Reranking
par: Yoon, Soyoung, et autres
Publié: (2025)

Diagnosing LLM-based Rerankers in Cold-Start Recommender Systems: Coverage, Exposure and Practical Mitigations
par: Lemdiasova, Ekaterina, et autres
Publié: (2026)

EvidenceRL: Reinforcing Evidence Consistency for Trustworthy Language Models
par: Tamo, J. Ben, et autres
Publié: (2026)

How Good are LLM-based Rerankers? An Empirical Analysis of State-of-the-Art Reranking Models
par: Abdallah, Abdelrahman, et autres
Publié: (2025)

Q-PEFT: Query-dependent Parameter Efficient Fine-tuning for Text Reranking with Large Language Models
par: Peng, Zhiyuan, et autres
Publié: (2024)

Sub-City Real Estate Price Index Forecasting at Weekly Horizons Using Satellite Radar and News Sentiment
par: Arat, Baris, et autres
Publié: (2026)

LLM-Enhanced Reranking for Complementary Product Recommendation
par: Xu, Zekun, et autres
Publié: (2025)

Complete Evidence Extraction with Model Ensembles: A Case Study on Medical Coding
par: Beckh, Katharina, et autres
Publié: (2025)

Scaling Up LLM Reviews for Google Ads Content Moderation
par: Qiao, Wei, et autres
Publié: (2024)

Gumbel Reranking: Differentiable End-to-End Reranker Optimization
par: Huang, Siyuan, et autres
Publié: (2025)

Task-Adaptive Embedding Refinement via Test-time LLM Guidance
par: Gera, Ariel, et autres
Publié: (2026)

LawLLM: Law Large Language Model for the US Legal System
par: Shu, Dong, et autres
Publié: (2024)

FGTR: Fine-Grained Multi-Table Retrieval via Hierarchical LLM Reasoning
par: Sun, Chaojie, et autres
Publié: (2026)

Vectorizing the Trie: Efficient Constrained Decoding for LLM-based Generative Retrieval on Accelerators
par: Su, Zhengyang, et autres
Publié: (2026)

Advancing Academic Knowledge Retrieval via LLM-enhanced Representation Similarity Fusion
par: Dai, Wei, et autres
Publié: (2024)

Transforming User Defined Criteria into Explainable Indicators with an Integrated LLM AHP System
par: Bang, Geonwoo, et autres
Publié: (2025)

LiveNewsBench: Evaluating LLM Web Search Capabilities with Freshly Curated News
par: Zhang, Yunfan, et autres
Publié: (2026)

Evaluation of LLM-based Strategies for the Extraction of Food Product Information from Online Shops
par: Brosch, Christoph, et autres
Publié: (2025)

VERDI: Single-Call Confidence Estimation for Verification-Based LLM Judges via Decomposed Inference
par: Qi, Jasmine, et autres
Publié: (2026)

SemCSE: Semantic Contrastive Sentence Embeddings Using LLM-Generated Summaries For Scientific Abstracts
par: Brinner, Marc, et autres
Publié: (2025)

AgentPRM: Process Reward Models for LLM Agents via Step-Wise Promise and Progress
par: Xi, Zhiheng, et autres
Publié: (2025)

PASC: Pipeline-Aware Conformal Prediction with Joint Coverage Guarantees for Multi-Stage NLP and LLM Pipelines
par: Kotte, Varun
Publié: (2026)

LLM vs. Lawyers: Identifying a Subset of Summary Judgments in a Large UK Case Law Dataset
par: Izzidien, Ahmed, et autres
Publié: (2024)

Dual-Rerank: Fusing Causality and Utility for Industrial Generative Reranking
par: Zhang, Chao, et autres
Publié: (2026)

CoRank: LLM-Based Compact Reranking with Document Features for Scientific Retrieval
par: Tian, Runchu, et autres
Publié: (2025)

DeAR: Dual-Stage Document Reranking with Reasoning Agents via LLM Distillation
par: Abdallah, Abdelrahman, et autres
Publié: (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'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"337cd21437d3bdb1e02ebd59f6f7ac82"
language	"fr"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790990512.2589 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "337cd21437d3bdb1e02ebd59f6f7ac82" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"VUFIND_SESSION=337cd21437d3bdb1e02ebd59f6f7ac82; language=fr; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.142"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"3137"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2602_18613/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2602_18613/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790990512.2547
REQUEST_TIME	1790990512

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler