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Keyphrase generation is the task of automatically predicting keyphrases given a piece of long text. Despite its recent flourishing, keyphrase generation on non-English languages haven't been vastly investigated. In this paper, we call…

Computation and Language · Computer Science 2022-06-02 Yifan Gao , Qingyu Yin , Zheng Li , Rui Meng , Tong Zhao , Bing Yin , Irwin King , Michael R. Lyu

This work uses the state-of-the-art language model GPT-3 to offer a novel method of information extraction for knowledge base development. The suggested method attempts to solve the difficulties associated with obtaining relevant entities…

Computation and Language · Computer Science 2024-08-12 Ritabrata Roy Choudhury , Soumik Dey

Knowledge-intensive tasks, particularly open-domain question answering (ODQA), document reranking, and retrieval-augmented language modeling, require a balance between retrieval accuracy and generative flexibility. Traditional retrieval…

Computation and Language · Computer Science 2025-02-28 Abdelrahman Abdallah , Jamshid Mozafari , Bhawna Piryani , Mohammed Ali , Adam Jatowt

Retrieval-augmented language models can better adapt to changes in world state and incorporate long-tail knowledge. However, most existing methods retrieve only short contiguous chunks from a retrieval corpus, limiting holistic…

Computation and Language · Computer Science 2024-02-01 Parth Sarthi , Salman Abdullah , Aditi Tuli , Shubh Khanna , Anna Goldie , Christopher D. Manning

This paper presents a procedure to retrieve subsets of relevant documents from large text collections for Content Analysis, e.g. in social sciences. Document retrieval for this purpose needs to take account of the fact that analysts often…

Information Retrieval · Computer Science 2017-07-12 Gregor Wiedemann , Andreas Niekler

Generative retrieval, a promising new paradigm in information retrieval, employs a seq2seq model to encode document features into parameters and decode relevant document identifiers (IDs) based on search queries. Existing generative…

Information Retrieval · Computer Science 2024-05-24 Yuxuan Liu , Tianchi Yang , Zihan Zhang , Minghui Song , Haizhen Huang , Weiwei Deng , Feng Sun , Qi Zhang

Recent advances in large-scale pre-training such as GPT-3 allow seemingly high quality text to be generated from a given prompt. However, such generation systems often suffer from problems of hallucinated facts, and are not inherently…

Computation and Language · Computer Science 2022-02-25 Yizhe Zhang , Siqi Sun , Xiang Gao , Yuwei Fang , Chris Brockett , Michel Galley , Jianfeng Gao , Bill Dolan

Multi-hop question generation (MQG) aims to generate questions that require synthesizing multiple information snippets from documents to derive target answers. The primary challenge lies in effectively pinpointing crucial information…

Computation and Language · Computer Science 2025-06-04 Maodong Li , Longyin Zhang , Fang Kong

Question generation (QG) is to generate natural and grammatical questions that can be answered by a specific answer for a given context. Previous sequence-to-sequence models suffer from a problem that asking high-quality questions requires…

Computation and Language · Computer Science 2021-06-22 Xin Jia , Hao Wang , Dawei Yin , Yunfang Wu

We introduce an approach for open-domain question answering (QA) that retrieves and reads a passage graph, where vertices are passages of text and edges represent relationships that are derived from an external knowledge base or…

Computation and Language · Computer Science 2020-04-14 Sewon Min , Danqi Chen , Luke Zettlemoyer , Hannaneh Hajishirzi

Service manual documents are crucial to the engineering company as they provide guidelines and knowledge to service engineers. However, it has become inconvenient and inefficient for service engineers to retrieve specific knowledge from…

Computation and Language · Computer Science 2021-06-25 Jia Wei Chong , Zhiyuan Chen , Mei Shin Oh

Interactive search sessions often contain multiple queries, where the user submits a reformulated version of the previous query in response to the original results. We aim to enhance the query recommendation experience for a commercial…

Information Retrieval · Computer Science 2020-03-03 Gaurav Verma , Vishwa Vinay , Sahil Bansal , Shashank Oberoi , Makkunda Sharma , Prakhar Gupta

This paper challenges a cross-genre document retrieval task, where the queries are in formal writing and the target documents are in conversational writing. In this task, a query, is a sentence extracted from either a summary or a plot of…

Computation and Language · Computer Science 2017-07-17 Tomasz Jurczyk , Jinho D. Choi

Retrieval-Augmented Generation (RAG) systems critically depend on effective document chunking strategies to balance retrieval quality, latency, and operational cost. Traditional chunking approaches, such as fixed-size, rule-based, or fully…

Information Retrieval · Computer Science 2026-04-08 Uday Allu , Sonu Kedia , Tanmay Odapally , Biddwan Ahmed

With the recent advancements in information technology there has been a huge surge in amount of data available. But information retrieval technology has not been able to keep up with this pace of information generation resulting in over…

Computation and Language · Computer Science 2017-10-24 Nishant Nikhil , Muktabh Mayank Srivastava

Research in Document Intelligence and especially in Document Key Information Extraction (DocKIE) has been mainly solved as Token Classification problem. Recent breakthroughs in both natural language processing (NLP) and computer vision…

Computation and Language · Computer Science 2023-04-24 Laurent Lam , Pirashanth Ratnamogan , Joël Tang , William Vanhuffel , Fabien Caspani

Question answering is one of the most important and difficult applications at the border of information retrieval and natural language processing, especially when we talk about complex science questions which require some form of inference…

Computation and Language · Computer Science 2019-05-08 George-Sebastian Pirtoaca , Traian Rebedea , Stefan Ruseti

A well-known way to improve the performance of document retrieval is to expand the user's query. Several approaches have been proposed in the literature, and some of them are considered as yielding state-of-the-art results in IR. In this…

Information Retrieval · Computer Science 2020-12-17 Vincent Claveau

Query expansion aims to mitigate the mismatch between the language used in a query and in a document. However, query expansion methods can suffer from introducing non-relevant information when expanding the query. To bridge this gap,…

Information Retrieval · Computer Science 2020-11-04 Zhi Zheng , Kai Hui , Ben He , Xianpei Han , Le Sun , Andrew Yates

The knowledge extraction task is to extract triple relations (head entity-relation-tail entity) from unstructured text data. The existing knowledge extraction methods are divided into "pipeline" method and joint extraction method. The…

Computation and Language · Computer Science 2022-04-01 Suyu Ouyang , Yingxia Shao , Junping Du , Ang Li