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In this paper we propose a novel approach for combining first-stage lexical retrieval models and Transformer-based re-rankers: we inject the relevance score of the lexical model as a token in the middle of the input of the cross-encoder…

Information Retrieval · Computer Science 2023-01-25 Arian Askari , Amin Abolghasemi , Gabriella Pasi , Wessel Kraaij , Suzan Verberne

Retrieve-and-rerank is a prevalent framework in neural information retrieval, wherein a bi-encoder network initially retrieves a pre-defined number of candidates (e.g., K=100), which are then reranked by a more powerful cross-encoder model.…

Information Retrieval · Computer Science 2024-05-29 Revanth Gangi Reddy , Pradeep Dasigi , Md Arafat Sultan , Arman Cohan , Avirup Sil , Heng Ji , Hannaneh Hajishirzi

Learning to rank has been intensively studied and widely applied in information retrieval. Typically, a global ranking function is learned from a set of labeled data, which can achieve good performance on average but may be suboptimal for…

Information Retrieval · Computer Science 2018-04-25 Qingyao Ai , Keping Bi , Jiafeng Guo , W. Bruce Croft

BERT-based text ranking models have dramatically advanced the state-of-the-art in ad-hoc retrieval, wherein most models tend to consider individual query-document pairs independently. In the mean time, the importance and usefulness to…

Information Retrieval · Computer Science 2021-04-20 Xiaoyang Chen , Kai Hui , Ben He , Xianpei Han , Le Sun , Zheng Ye

State-of-the-art neural models typically encode document-query pairs using cross-attention for re-ranking. To this end, models generally utilize an encoder-only (like BERT) paradigm or an encoder-decoder (like T5) approach. These paradigms,…

Computation and Language · Computer Science 2022-04-26 Kai Hui , Honglei Zhuang , Tao Chen , Zhen Qin , Jing Lu , Dara Bahri , Ji Ma , Jai Prakash Gupta , Cicero Nogueira dos Santos , Yi Tay , Don Metzler

More recently, Bidirectional Encoder Representations from Transformers (BERT) was proposed and has achieved impressive success on many natural language processing (NLP) tasks such as question answering and language understanding, due mainly…

Computation and Language · Computer Science 2021-04-13 Shih-Hsuan Chiu , Berlin Chen

In-Context Learning (ICL) enables Large Language Models (LLMs) to perform new tasks by conditioning on prompts with relevant information. Retrieval-Augmented Generation (RAG) enhances ICL by incorporating retrieved documents into the LLM's…

Machine Learning · Computer Science 2024-12-02 Marie Al Ghossein , Emile Contal , Alexandre Robicquet

Effective science mapping relies on high-quality representations of scientific documents. As an important task in scientometrics and information studies, science mapping is often challenged by the complex and heterogeneous nature of…

Digital Libraries · Computer Science 2025-12-16 Zhentao Liang , Nees Jan van Eck , Xuehua Wu , Jin Mao , Gang Li

Accurate memory prefetching is paramount for processor performance, and modern processors employ various techniques to identify and prefetch different memory access patterns. While most modern prefetchers target spatio-temporal patterns by…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-14 Leeor Peled , Uri Weiser , Yoav Etsion

Relation classification, a crucial component of relation extraction, involves identifying connections between two entities. Previous studies have predominantly focused on integrating the attention mechanism into relation classification at a…

Computation and Language · Computer Science 2024-07-02 Yiping Sun

Small and imbalanced datasets commonly seen in healthcare represent a challenge when training classifiers based on deep learning models. So motivated, we propose a novel framework based on BioBERT (Bidirectional Encoder Representations from…

Computation and Language · Computer Science 2020-06-23 Shijing Si , Rui Wang , Jedrek Wosik , Hao Zhang , David Dov , Guoyin Wang , Ricardo Henao , Lawrence Carin

Neural extractive summarization models usually employ a hierarchical encoder for document encoding and they are trained using sentence-level labels, which are created heuristically using rule-based methods. Training the hierarchical encoder…

Computation and Language · Computer Science 2019-05-17 Xingxing Zhang , Furu Wei , Ming Zhou

Predicting the number of citations of scholarly documents is an upcoming task in scholarly document processing. Besides the intrinsic merit of this information, it also has a wider use as an imperfect proxy for quality which has the…

Computation and Language · Computer Science 2020-12-23 Thomas van Dongen , Gideon Maillette de Buy Wenniger , Lambert Schomaker

This paper explores new methods for locating the sources used to write a text, by fine-tuning a variety of language models to rerank candidate sources. After retrieving candidates sources using a baseline BM25 retrieval model, a variety of…

Computation and Language · Computer Science 2023-07-03 Ryan Muther , David Smith

While composing a new document, anything from a news article to an email or essay, authors often utilize direct quotes from a variety of sources. Although an author may know what point they would like to make, selecting an appropriate quote…

Computation and Language · Computer Science 2020-08-20 Ansel MacLaughlin , Tao Chen , Burcu Karagol Ayan , Dan Roth

Entity Linking has two main open areas of research: 1) generate candidate entities without using alias tables and 2) generate more contextual representations for both mentions and entities. Recently, a solution has been proposed for the…

Computation and Language · Computer Science 2020-04-08 Oshin Agarwal , Daniel M. Bikel

Review rating prediction of text reviews is a rapidly growing technology with a wide range of applications in natural language processing. However, most existing methods either use hand-crafted features or learn features using deep learning…

Computation and Language · Computer Science 2020-11-03 Zhongfen Deng , Hao Peng , Congying Xia , Jianxin Li , Lifang He , Philip S. Yu

Hierarchical Text Categorization (HTC) is becoming increasingly important with the rapidly growing amount of text data available in the World Wide Web. Among the different strategies proposed to cope with HTC, the Local Classifier per Node…

Information Retrieval · Computer Science 2012-06-05 Nima Hatami , Camelia Chira , Giuliano Armano

Large Language Models (LLMs) have recently been explored as fine-grained zero-shot re-rankers by leveraging attention signals to estimate document relevance. However, existing methods either aggregate attention signals across all heads or…

Information Retrieval · Computer Science 2026-04-28 Yuxing Tian , Fengran Mo , Zhiqi Huang , Weixu Zhang , Jian-Yun Nie

In retrieval-augmented systems, context ranking techniques are commonly employed to reorder the retrieved contexts based on their relevance to a user query. A standard approach is to measure this relevance through the similarity between…

Information Retrieval · Computer Science 2024-10-22 Weichao Zhou , Jiaxin Zhang , Hilaf Hasson , Anu Singh , Wenchao Li