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Intuitively, an ideal collaborative filtering (CF) model should learn from users' full rankings over all items to make optimal top-K recommendations. Due to the absence of such full rankings in practice, most CF models rely on pairwise loss…

Information Retrieval · Computer Science 2024-12-25 Yuhan Zhao , Rui Chen , Li Chen , Shuang Zhang , Qilong Han , Hongtao Song

Large Language Models (LLMs) have shown strong promise as rerankers, especially in ``listwise'' settings where an LLM is prompted to rerank several search results at once. However, this ``cascading'' retrieve-and-rerank approach is limited…

Information Retrieval · Computer Science 2025-01-17 Mandeep Rathee , Sean MacAvaney , Avishek Anand

A server, which is to keep track of heavy document traffic, is unable to filter the documents that are most relevant and updated for continuous text search queries. This paper focuses on handling continuous text extraction sustaining high…

Information Retrieval · Computer Science 2013-11-21 Srivatsan Sridharan , Kausal Malladi , Yamini Muralitharan

Retrieval and content management are assumed to be mutually exclusive. In this paper we suggest that they need not be so. In the usual information retrieval scenario, some information about queries leading to a website (due to `hits' or…

Information Retrieval · Computer Science 2019-08-29 C Ravindranath Chowdary , Anil Kumar Singh , Anil Nelakanti

Recent work has shown that more effective dense retrieval models can be obtained by distilling ranking knowledge from an existing base re-ranking model. In this paper, we propose a generic curriculum learning based optimization framework…

Information Retrieval · Computer Science 2022-04-29 Hansi Zeng , Hamed Zamani , Vishwa Vinay

With the rise of social networks, information on the internet is no longer solely organized by web pages. Rather, content is generated and shared among users and organized around their social relations on social networks. This presents new…

Information Retrieval · Computer Science 2020-05-12 Yunzhong He , Wenyuan Li , Liang-Wei Chen , Gabriel Forgues , Xunlong Gui , Sui Liang , Bo Hou

Search algorithms and user query relevance have given LLMs the ability to return relevant information, but the effect of content phrasing on ad visibility remains underexplored. We investigate how LLM-based rewriting of advertisements can…

Computation and Language · Computer Science 2025-07-30 Chloe Ho , Ishneet Sukhvinder Singh , Diya Sharma , Tanvi Reddy Anumandla , Michael Lu , Vasu Sharma , Kevin Zhu

Scientific paper retrieval is essential for supporting literature discovery and research. While dense retrieval methods demonstrate effectiveness in general-purpose tasks, they often fail to capture fine-grained scientific concepts that are…

Information Retrieval · Computer Science 2025-10-07 Yunyi Zhang , Ruozhen Yang , Siqi Jiao , SeongKu Kang , Jiawei Han

In addition to the frequency of terms in a document collection, the distribution of terms plays an important role in determining the relevance of documents. In this paper, a new approach for representing term positions in documents is…

Information Retrieval · Computer Science 2009-10-13 Patricio Galeas , Ralph Kretschmer , Bernd Freisleben

We introduce the problem of ranking with slot constraints, which can be used to model a wide range of application problems -- from college admission with limited slots for different majors, to composing a stratified cohort of eligible…

Information Retrieval · Computer Science 2023-10-30 Wentao Guo , Andrew Wang , Bradon Thymes , Thorsten Joachims

Query rewriting is a fundamental technique in information retrieval (IR). It typically employs the retrieval result as relevance feedback to refine the query and thereby addresses the vocabulary mismatch between user queries and relevant…

Information Retrieval · Computer Science 2025-10-30 Yiteng Tu , Weihang Su , Yujia Zhou , Yiqun Liu , Fen Lin , Qin Liu , Qingyao Ai

While Pairwise Ranking Prompting (PRP) with Large Language Models (LLMs) is one of the most effective zero-shot document ranking methods, it has a quadratic computational complexity with respect to the number of documents to be ranked, as…

Information Retrieval · Computer Science 2025-07-08 Junru Wu , Le Yan , Zhen Qin , Honglei Zhuang , Paul Suganthan G. C. , Tianqi Liu , Zhe Dong , Xuanhui Wang , Harrie Oosterhuis

Advanced relevance models, such as those that use large language models (LLMs), provide highly accurate relevance estimations. However, their computational costs make them infeasible for processing large document corpora. To address this,…

Information Retrieval · Computer Science 2025-05-08 Mandeep Rathee , V Venktesh , Sean MacAvaney , Avishek Anand

Keyword-based searches are today's standard in digital libraries. Yet, complex retrieval scenarios like in scientific knowledge bases, need more sophisticated access paths. Although each document somewhat contributes to a domain's body of…

Information Retrieval · Computer Science 2024-12-23 Hermann Kroll , Pascal Sackhoff , Timo Breuer , Ralf Schenkel , Wolf-Tilo Balke

Due to the advances in hardware technology and increase in production of multimedia data in many applications, during the last decades, multimedia databases have become increasingly important. Contentbased multimedia retrieval is one of an…

Multimedia · Computer Science 2011-05-11 Mohammadreza keyvanpour , Najva Izadpanah

The paper shows that ranking information units by quantum probability differs from ranking them by classical probability provided the same data used for parameter estimation. As probability of detection (also known as recall or power) and…

Information Retrieval · Computer Science 2011-08-30 Massimo Melucci

The task of expert finding has been getting increasing attention in information retrieval literature. However, the current state-of-the-art is still lacking in principled approaches for combining different sources of evidence in an optimal…

Information Retrieval · Computer Science 2013-02-05 Catarina Moreira , Pável Calado , Bruno Martins

Existing neural ranking models follow the text matching paradigm, where document-to-query relevance is estimated through predicting the matching score. Drawing from the rich literature of classical generative retrieval models, we introduce…

Information Retrieval · Computer Science 2021-06-28 Oleg Lesota , Navid Rekabsaz , Daniel Cohen , Klaus Antonius Grasserbauer , Carsten Eickhoff , Markus Schedl

The goal of information retrieval is to recommend a list of document candidates that are most relevant to a given query. Listwise learning trains neural retrieval models by comparing various candidates simultaneously on a large scale,…

Information Retrieval · Computer Science 2021-07-30 Zhizhong Chen , Carsten Eickhoff

Nowadays, according to the increasingly increasing information, the importance of its presentation is also increasing. The internet has become one of the main sources of information for users and their favorite topics. It also provides…

Information Retrieval · Computer Science 2020-04-27 Mohammad Moradi , Elham Ghanbari , Mehrdad Maeen , Sasan Harifi
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