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We propose a new framework, Translation between Augmented Natural Languages (TANL), to solve many structured prediction language tasks including joint entity and relation extraction, nested named entity recognition, relation classification,…

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base. One of the key challenges comes from insufficient labeled data for specific domains. Although dense retrievers have achieved excellent…

Computation and Language · Computer Science 2023-10-20 Yulin Chen , Zhenran Xu , Baotian Hu , Min Zhang

Distantly supervised relation extraction has been widely applied in knowledge base construction due to its less requirement of human efforts. However, the automatically established training datasets in distant supervision contain…

Computation and Language · Computer Science 2020-12-21 Tianyi Liu , Xiangyu Lin , Weijia Jia , Mingliang Zhou , Wei Zhao

Although exact term match between queries and documents is the dominant method to perform first-stage retrieval, we propose a different approach, called RepBERT, to represent documents and queries with fixed-length contextualized…

Information Retrieval · Computer Science 2020-07-21 Jingtao Zhan , Jiaxin Mao , Yiqun Liu , Min Zhang , Shaoping Ma

Legal Entity Recognition (LER) is critical in automating legal workflows such as contract analysis, compliance monitoring, and litigation support. Existing approaches, including rule-based systems and classical machine learning models,…

Computation and Language · Computer Science 2025-07-18 Duraimurugan Rajamanickam

We propose a new uniform framework for text classification and ranking that can automate the process of identifying check-worthy sentences in political debates and speech transcripts. Our framework combines the semantic analysis of the…

Computation and Language · Computer Science 2022-11-22 Ting Su , Craig Macdonald , Iadh Ounis

Many joint entity relation extraction models setup two separated label spaces for the two sub-tasks (i.e., entity detection and relation classification). We argue that this setting may hinder the information interaction between entities and…

Computation and Language · Computer Science 2021-07-12 Yijun Wang , Changzhi Sun , Yuanbin Wu , Hao Zhou , Lei Li , Junchi Yan

Recently, pre-trained language models such as BERT have been applied to document ranking for information retrieval, which first pre-train a general language model on an unlabeled large corpus and then conduct ranking-specific fine-tuning on…

Information Retrieval · Computer Science 2021-08-13 Lin Bo , Liang Pang , Gang Wang , Jun Xu , XiuQiang He , Ji-Rong Wen

Traditional named entity recognition (NER) aims to identify text mentions into pre-defined entity types. Continual Named Entity Recognition (CNER) is introduced since entity categories are continuously increasing in various real-world…

Computation and Language · Computer Science 2025-10-14 Yawen Yang , Fukun Ma , Shiao Meng , Aiwei Liu , Lijie Wen

Relation classification is one of the key topics in information extraction, which can be used to construct knowledge bases or to provide useful information for question answering. Current approaches for relation classification are mainly…

Computation and Language · Computer Science 2020-10-20 Abdullatif Köksal , Arzucan Özgür

Weakly supervised Referring Expression Grounding (REG) aims to ground a particular target in an image described by a language expression while lacking the correspondence between target and expression. Two main problems exist in weakly…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Xuejing Liu , Liang Li , Shuhui Wang , Zheng-Jun Zha , Zechao Li , Qi Tian , Qingming Huang

Differentiating relationships between entity pairs with limited labeled instances poses a significant challenge in few-shot relation classification. Representations of textual data extract rich information spanning the domain, entities, and…

Computation and Language · Computer Science 2024-03-26 Philipp Borchert , Jochen De Weerdt , Marie-Francine Moens

Many applications need access to background knowledge about how different concepts and entities are related. Although Knowledge Graphs (KG) and Large Language Models (LLM) can address this need to some extent, KGs are inevitably incomplete…

Computation and Language · Computer Science 2023-10-10 Asahi Ushio , Jose Camacho-Collados , Steven Schockaert

Named Entity Recognition (NER) is a crucial upstream task in Natural Language Processing (NLP). Traditional tag scheme approaches offer a single recognition that does not meet the needs of many downstream tasks such as coreference…

Computation and Language · Computer Science 2020-04-30 Wendong He , Yizhen Shao , Pingjian Zhang

Researchers must stay current in their fields by regularly reviewing academic literature, a task complicated by the daily publication of thousands of papers. Traditional multi-label text classification methods often ignore semantic…

Computation and Language · Computer Science 2024-04-24 Darya Likhareva , Hamsini Sankaran , Sivakumar Thiyagarajan

Determining whether a piece of text is relevant to a given topic is a fundamental task in natural language processing, yet it remains largely unexplored for Bahasa Indonesia. Unlike sentiment analysis or named entity recognition, relevancy…

Improvements of entity-relationship (E-R) search techniques have been hampered by a lack of test collections, particularly for complex queries involving multiple entities and relationships. In this paper we describe a method for generating…

Information Retrieval · Computer Science 2017-06-14 Pedro Saleiro , Natasa Milic-Frayling , Eduarda Mendes Rodrigues , Carlos Soares

Despite impressive results of language models for named entity recognition (NER), their generalization to varied textual genres, a growing entity type set, and new entities remains a challenge. Collecting thousands of annotations in each…

Computation and Language · Computer Science 2022-04-28 Elena V. Epure , Romain Hennequin

So far, named entity recognition (NER) has been involved with three major types, including flat, overlapped (aka. nested), and discontinuous NER, which have mostly been studied individually. Recently, a growing interest has been built for…

Computation and Language · Computer Science 2021-12-21 Jingye Li , Hao Fei , Jiang Liu , Shengqiong Wu , Meishan Zhang , Chong Teng , Donghong Ji , Fei Li

Relation extraction (RE) aims to identify relations between entities mentioned in texts. Although large language models (LLMs) have demonstrated impressive in-context learning (ICL) abilities in various tasks, they still suffer from poor…

Computation and Language · Computer Science 2024-04-30 Guozheng Li , Peng Wang , Wenjun Ke , Yikai Guo , Ke Ji , Ziyu Shang , Jiajun Liu , Zijie Xu