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Extracting entities and relations is an essential task of information extraction. Triplets extracted from a sentence might overlap with each other. Previous methods either did not address the overlapping issues or solved overlapping issues…

Computation and Language · Computer Science 2023-04-07 Hao Zhang

We present an ensemble approach for categorizing search query entities in the recruitment domain. Understanding the types of entities expressed in a search query (Company, Skill, Job Title, etc.) enables more intelligent information…

Computation and Language · Computer Science 2016-11-17 Walid Shalaby , Khalifeh Al Jadda , Mohammed Korayem , Trey Grainger

Table retrieval is essential for accessing information stored in structured tabular formats; however, it remains less explored than text retrieval. The content of the table primarily consists of phrases and words, which include a large…

Information Retrieval · Computer Science 2025-04-10 Da Li , Keping Bi , Jiafeng Guo , Xueqi Cheng

Recent neural models for relation extraction with distant supervision alleviate the impact of irrelevant sentences in a bag by learning importance weights for the sentences. Efforts thus far have focused on improving extraction accuracy but…

Information Retrieval · Computer Science 2020-06-01 Hamed Shahbazi , Xiaoli Z. Fern , Reza Ghaeini , Prasad Tadepalli

Entity and relation extraction is a key task in information extraction, where the output can be used for downstream NLP tasks. Existing approaches for entity and relation extraction tasks mainly focus on the English corpora and ignore other…

Computation and Language · Computer Science 2023-01-12 Zixiang Wang , Jian Yang , Tongliang Li , Jiaheng Liu , Ying Mo , Jiaqi Bai , Longtao He , Zhoujun Li

We introduce the task of entity-centric query refinement. Given an input query whose answer is a (potentially large) collection of entities, the task output is a small set of query refinements meant to assist the user in efficient domain…

Computation and Language · Computer Science 2022-09-19 David Wadden , Nikita Gupta , Kenton Lee , Kristina Toutanova

We analyze the extent to which internal representations of language models (LMs) identify and distinguish mentions of named entities, focusing on the many-to-many correspondence between entities and their mentions. We first formulate two…

Computation and Language · Computer Science 2025-07-22 Masaki Sakata , Benjamin Heinzerling , Sho Yokoi , Takumi Ito , Kentaro Inui

Document-level relation extraction is a complex human process that requires logical inference to extract relationships between named entities in text. Existing approaches use graph-based neural models with words as nodes and edges as…

Computation and Language · Computer Science 2019-09-04 Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

Document-level relation extraction (DocRE) involves identifying relations between entities distributed in multiple sentences within a document. Existing methods focus on building a heterogeneous document graph to model the internal…

Computation and Language · Computer Science 2023-10-31 Chonggang Lu , Richong Zhang , Kai Sun , Jaein Kim , Cunwang Zhang , Yongyi Mao

Contrarily to standard approaches to topic annotation, the technique used in this work does not centrally rely on some sort of -- possibly statistical -- keyword extraction. In fact, the proposed annotation algorithm uses a large scale…

Computation and Language · Computer Science 2007-05-23 Pierre Andrews , Martin Rajman

Entity extraction is critical in the intelligent advancement across diverse domains. Nevertheless, a challenge to its effectiveness arises from the data imbalance. This paper proposes a novel approach by viewing the issue through the…

Computation and Language · Computer Science 2023-09-04 Zhenhua Wang , Ming Ren , Dong Gao , Zhuang Li

The goal of our work is to use a set of reports and extract named entities, in our case the names of Industrial or Academic partners. Starting with an initial list of entities, we use a first set of documents to identify syntactic patterns…

Information Retrieval · Computer Science 2009-09-29 Thierry Despeyroux , Eduardo Fraschini , Anne-Marie Vercoustre

Document-level relation extraction is a challenging task which requires reasoning over multiple sentences in order to predict relations in a document. In this paper, we pro-pose a joint training frameworkE2GRE(Entity and Evidence Guided…

Computation and Language · Computer Science 2020-08-28 Kevin Huang , Guangtao Wang , Tengyu Ma , Jing Huang

The extraction of relevant information carried out by named entities in handwriting documents is still a challenging task. Unlike traditional information extraction approaches that usually face text transcription and named entity…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Ahmed Cheikh Rouhoua , Marwa Dhiaf , Yousri Kessentini , Sinda Ben Salem

Named Entity Recognition (NER) is a fundamental problem in natural language processing (NLP). However, the task of extracting longer entity spans (e.g., awards) from extended texts (e.g., homepages) is barely explored. Current NER methods…

Computation and Language · Computer Science 2025-02-12 Yelin Chen , Fanjin Zhang , Jie Tang

Unsupervised learning of low-dimensional, semantic representations of words and entities has recently gained attention. In this paper we describe the Semantic Entity Retrieval Toolkit (SERT) that provides implementations of our previously…

Computation and Language · Computer Science 2017-07-18 Christophe Van Gysel , Maarten de Rijke , Evangelos Kanoulas

Risk mining technologies seek to find relevant textual extractions that capture entity-risk relationships. However, when high volume data sets are processed, a multitude of relevant extractions can be returned, shifting the focus to how…

Computation and Language · Computer Science 2019-09-24 Berk Ekmekci , Eleanor Hagerman , Blake Howald

Relation extraction is essentially a text classification problem, which can be tackled by fine-tuning a pre-trained language model (LM). However, a key challenge arises from the fact that relation extraction cannot straightforwardly be…

Computation and Language · Computer Science 2024-10-03 Frank Mtumbuka , Steven Schockaert

Rapid progress in natural language processing has led to its utilization in a variety of industrial and enterprise settings, including in its use for information extraction, specifically named entity recognition and relation extraction,…

Computation and Language · Computer Science 2021-08-13 Sharad Dixit , Varish Mulwad , Abhinav Saxena

Many fundamental problems in natural language processing rely on determining what entities appear in a given text. Commonly referenced as entity linking, this step is a fundamental component of many NLP tasks such as text understanding,…

Computation and Language · Computer Science 2016-02-01 Octavian-Eugen Ganea , Marina Ganea , Aurelien Lucchi , Carsten Eickhoff , Thomas Hofmann