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Related papers: Information Extraction in Illicit Domains

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This report argues that, even in the simplest cases, IE is an ontology-driven process. It is not a mere text filtering method based on simple pattern matching and keywords, because the extracted pieces of texts are interpreted with respect…

Artificial Intelligence · Computer Science 2016-08-16 Claire Nédellec , Adeline Nazarenko

Extracting geographical tags from webpages is a well-motivated application in many domains. In illicit domains with unusual language models, like human trafficking, extracting geotags with both high precision and recall is a challenging…

Artificial Intelligence · Computer Science 2017-04-20 Rahul Kapoor , Mayank Kejriwal , Pedro Szekely

Information Extraction (IE) seeks to derive structured information from unstructured texts, often facing challenges in low-resource scenarios due to data scarcity and unseen classes. This paper presents a review of neural approaches to…

Computation and Language · Computer Science 2024-10-29 Shumin Deng , Yubo Ma , Ningyu Zhang , Yixin Cao , Bryan Hooi

Information extraction (IE) plays very important role in natural language processing (NLP) and is fundamental to many NLP applications that used to extract structured information from unstructured text data. Heuristic-based searching and…

Computation and Language · Computer Science 2023-07-04 Shiyu Yuan , Carlo Lipizzi

With the rapid development of information technology, online platforms have produced enormous text resources. As a particular form of Information Extraction (IE), Event Extraction (EE) has gained increasing popularity due to its ability to…

Computation and Language · Computer Science 2021-11-08 Jiangwei Liu , Liangyu Min , Xiaohong Huang

Extracting structured and grounded fact triples from raw text is a fundamental task in Information Extraction (IE). Existing IE datasets are typically collected from Wikipedia articles, using hyperlinks to link entities to the Wikidata…

Computation and Language · Computer Science 2023-06-16 Chenxi Whitehouse , Clara Vania , Alham Fikri Aji , Christos Christodoulopoulos , Andrea Pierleoni

Event detection is a crucial information extraction task in many domains, such as Wikipedia or news. The task typically relies on trigger detection (TD) -- identifying token spans in the text that evoke specific events. While the notion of…

Computation and Language · Computer Science 2024-02-02 David Dukić , Kiril Gashteovski , Goran Glavaš , Jan Šnajder

The task of Information Extraction (IE) involves automatically converting unstructured textual content into structured data. Most research in this field concentrates on extracting all facts or a specific set of relationships from documents.…

Computation and Language · Computer Science 2024-01-19 Nicolas Gutehrlé , Iana Atanassova

Information extraction (IE) systems aim to automatically extract structured information, such as named entities, relations between entities, and events, from unstructured texts. While most existing work addresses a particular IE task,…

Computation and Language · Computer Science 2023-05-22 Chang Gao , Wenxuan Zhang , Wai Lam , Lidong Bing

We examine the novel task of domain-independent scientific concept extraction from abstracts of scholarly articles and present two contributions. First, we suggest a set of generic scientific concepts that have been identified in a…

Information Retrieval · Computer Science 2020-11-24 Arthur Brack , Jennifer D'Souza , Anett Hoppe , Sören Auer , Ralph Ewerth

Current research on the advantages and trade-offs of using characters, instead of tokenized text, as input for deep learning models, has evolved substantially. New token-free models remove the traditional tokenization step; however, their…

Computation and Language · Computer Science 2023-10-10 Christos Theodoropoulos , Marie-Francine Moens

Information extraction (IE) for visually-rich documents (VRDs) has achieved SOTA performance recently thanks to the adaptation of Transformer-based language models, which shows the great potential of pre-training methods. In this paper, we…

Artificial Intelligence · Computer Science 2021-07-07 Tuan-Anh D. Nguyen , Hieu M. Vu , Nguyen Hong Son , Minh-Tien Nguyen

Information extraction (IE) from documents is an intensive area of research with a large set of industrial applications. Current state-of-the-art methods focus on scanned documents with approaches combining computer vision, natural language…

Computation and Language · Computer Science 2022-08-16 Ismail Oussaid , William Vanhuffel , Pirashanth Ratnamogan , Mhamed Hajaiej , Alexis Mathey , Thomas Gilles

In this paper, an approach for concept extraction from documents using pre-trained large language models (LLMs) is presented. Compared with conventional methods that extract keyphrases summarizing the important information discussed in a…

Computation and Language · Computer Science 2025-04-23 Ebrahim Norouzi , Sven Hertling , Harald Sack

Most modern Information Extraction (IE) systems are implemented as sequential taggers and only model local dependencies. Non-local and non-sequential context is, however, a valuable source of information to improve predictions. In this…

Computation and Language · Computer Science 2019-04-08 Yujie Qian , Enrico Santus , Zhijing Jin , Jiang Guo , Regina Barzilay

Information Extraction (IE) from scientific texts can be used to guide readers to the central information in scientific documents. But narrow IE systems extract only a fraction of the information captured, and Open IE systems do not perform…

Computation and Language · Computer Science 2020-05-27 Ruben Kruiper , Julian F. V. Vincent , Jessica Chen-Burger , Marc P. Y. Desmulliez , Ioannis Konstas

Learning template based information extraction from documents is a crucial yet difficult task. Prior template-based IE approaches assume foreknowledge of the domain templates; however, real-world IE do not have pre-defined schemas and it is…

Open information extraction (IE) is the task of extracting open-domain assertions from natural language sentences. A key step in open IE is confidence modeling, ranking the extractions based on their estimated quality to adjust precision…

Computation and Language · Computer Science 2019-06-03 Zhengbao Jiang , Pengcheng Yin , Graham Neubig

Open Information Extraction (OpenIE) facilitates the open-domain discovery of textual facts. However, the prevailing solutions evaluate OpenIE models on in-domain test sets aside from the training corpus, which certainly violates the…

Computation and Language · Computer Science 2022-11-30 Bowen Yu , Zhenyu Zhang , Jingyang Li , Haiyang Yu , Tingwen Liu , Jian Sun , Yongbin Li , Bin Wang

Typically, information extraction (IE) requires a pipeline approach: first, a sequence labeling model is trained on manually annotated documents to extract relevant spans; then, when a new document arrives, a model predicts spans which are…

Computation and Language · Computer Science 2021-10-12 Benjamin Townsend , Eamon Ito-Fisher , Lily Zhang , Madison May
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