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Large Language Models (LLMs) have been used as relevance assessors for Information Retrieval (IR) evaluation collection creation due to reduced cost and increased scalability as compared to human assessors. While previous research has…

Information Retrieval · Computer Science 2026-01-06 Samaneh Mohtadi , Gianluca Demartini

While generative modeling has become prevalent across numerous research fields, its integration into the realm of image retrieval remains largely unexplored and underjustified. In this paper, we present a novel methodology, reframing image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Yidan Zhang , Ting Zhang , Dong Chen , Yujing Wang , Qi Chen , Xing Xie , Hao Sun , Weiwei Deng , Qi Zhang , Fan Yang , Mao Yang , Qingmin Liao , Jingdong Wang , Baining Guo

This paper introduces and analyzes a search and retrieval model for RAG-like systems under {token} erasures. We provide an information-theoretic analysis of remote document retrieval when query representations are only partially preserved.…

Information Retrieval · Computer Science 2026-04-21 Sara Ghasvarianjahromi , Joshua Barr , Yauhen Yakimenka , Jörg Kliewer

Deep learning architectures exhibit a critical drop of performance due to catastrophic forgetting when they are required to incrementally learn new tasks. Contemporary incremental learning frameworks focus on image classification and object…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Umberto Michieli , Pietro Zanuttigh

Expansion-enhanced sparse lexical representation improves information retrieval (IR) by minimizing vocabulary mismatch problems during lexical matching. In this paper, we explore the potential of jointly learning dense semantic…

Machine Learning · Computer Science 2024-05-24 Biplob Biswas , Rajiv Ramnath

Prompt-based learning's efficacy across numerous natural language processing tasks has led to its integration into dense passage retrieval. Prior research has mainly focused on enhancing the semantic understanding of pre-trained language…

Computation and Language · Computer Science 2023-10-11 Qingfa Xiao , Shuangyin Li , Lei Chen

As a primary means of information acquisition, information retrieval (IR) systems, such as search engines, have integrated themselves into our daily lives. These systems also serve as components of dialogue, question-answering, and…

Computation and Language · Computer Science 2025-09-18 Yutao Zhu , Huaying Yuan , Shuting Wang , Jiongnan Liu , Wenhan Liu , Chenlong Deng , Haonan Chen , Zheng Liu , Zhicheng Dou , Ji-Rong Wen

Locating and distilling the valuable relevant information continued to be the major challenges of Information Retrieval (IR) Systems owing to the explosive growth of online web information. These challenges can be considered the XML…

Information Retrieval · Computer Science 2014-10-29 Suma D. , U. Dinesh Acharya , Geetha M. , Raviraja Holla M

Building dense retrievers requires a series of standard procedures, including training and validating neural models and creating indexes for efficient search. However, these procedures are often misaligned in that training objectives do not…

Computation and Language · Computer Science 2022-10-26 Gyuwan Kim , Jinhyuk Lee , Barlas Oguz , Wenhan Xiong , Yizhe Zhang , Yashar Mehdad , William Yang Wang

We focus on two research issues in entity search: scoring a document or snippet that potentially supports a candidate entity, and aggregating scores from different snippets into an entity score. Proximity scoring has been studied in IR…

Information Retrieval · Computer Science 2013-03-14 Uma Sawant , Soumen Chakrabarti

The vocabulary mismatch problem is one of the important challenges facing traditional keyword-based Information Retrieval Systems. The aim of query expansion (QE) is to reduce this query-document mismatch by adding related or synonymous…

Information Retrieval · Computer Science 2015-09-21 Dipasree Pal , Mandar Mitra , Samar Bhattacharya

Retrieving pertinent documents from various data sources with diverse characteristics poses a significant challenge for Document Retrieval Systems. The complexity of this challenge is further compounded when accounting for the semantic…

Information Retrieval · Computer Science 2025-08-29 Apurva Kulkarni , Chandrashekar Ramanathan , Vinu E Venugopal

Answering complex questions is a time-consuming activity for humans that requires reasoning and integration of information. Recent work on reading comprehension made headway in answering simple questions, but tackling complex questions is…

Computation and Language · Computer Science 2018-03-20 Alon Talmor , Jonathan Berant

Information retrieval (IR) in dynamic data streams is a crucial task, as shifts in data distribution degrade the performance of AI-powered IR systems. To mitigate this issue, memory-based continual learning has been widely adopted for IR.…

Information Retrieval · Computer Science 2026-01-13 HuiJeong Son , Hyeongu Kang , Sunho Kim , Subeen Ho , SeongKu Kang , Dongha Lee , Susik Yoon

This decade has seen a great deal of progress in the development of information retrieval systems. Unfortunately, we still lack a systematic understanding of the behavior of the systems and their relationship with documents. In this paper…

Information Retrieval · Computer Science 2007-05-23 Myung Ho Kim

This paper studies the problem of information retrieval, to adapt to unseen tasks. Existing work generates synthetic queries from domain-specific documents to jointly train the retriever. However, the conventional query generator assumes…

Computation and Language · Computer Science 2024-09-26 Yoonsang Lee , Minsoo Kim , Seung-won Hwang

Topic modeling is an unsupervised method for revealing the hidden semantic structure of a corpus. It has been increasingly widely adopted as a tool in the social sciences, including political science, digital humanities and sociological…

Information Retrieval · Computer Science 2022-01-12 Zheng Fang , Yulan He , Rob Procter

Extracting useful information from the user history to clearly understand informational needs is a crucial feature of a proactive information retrieval system. Regarding understanding information and relevance, Wikipedia can provide the…

Information Retrieval · Computer Science 2022-10-19 Tabish Ahmed , Sahan Bulathwela

Understanding user queries is fundamental in many applications, such as home assistants, booking systems, or recommendations. Accordingly, it is crucial to develop accurate Spoken Language Understanding (SLU) approaches to ensure the…

Computation and Language · Computer Science 2025-06-04 Pierre Lepagnol , Sahar Ghannay , Thomas Gerald , Christophe Servan , Sophie Rosset

Information retrieval (IR) is essential in search engines and dialogue systems as well as natural language processing tasks such as open-domain question answering. IR serve an important function in the biomedical domain, where content and…

Information Retrieval · Computer Science 2022-01-20 Man Luo , Arindam Mitra , Tejas Gokhale , Chitta Baral
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