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When searching the web, it is often possible that there are too many results available for ambiguous queries. Text snippets, extracted from the retrieved pages, are an indicator of the pages' usefulness to the query intention and can be…

Information Retrieval · Computer Science 2009-03-24 N. Zotos , P. Tzekou , G. Tsatsaronis , L. Kozanidis , S. Stamou , I. Varlamis

Event extraction, the technology that aims to automatically get the structural information from documents, has attracted more and more attention in many fields. Most existing works discuss this issue with the token-level multi-label…

Computation and Language · Computer Science 2022-01-11 Zhuo Xu , Yue Wang , Lu Bai , Lixin Cui

As web agents (e.g., Deep Research) routinely consume massive volumes of web pages to gather and analyze information, LLM context management -- under large token budgets and low signal density -- emerges as a foundational, high-importance,…

Information Retrieval · Computer Science 2025-12-09 Yihan Chen , Benfeng Xu , Xiaorui Wang , Zhendong Mao

Curated web archive collections contain focused digital contents which are collected by archiving organizations to provide a representative sample covering specific topics and events to preserve them for future exploration and analysis. In…

Digital Libraries · Computer Science 2017-02-02 Zeon Trevor Fernando , Ivana Marenzi , Wolfgang Nejdl , Rishita Kalyani

Event extraction involves the detection and extraction of both the event triggers and corresponding event arguments. Existing systems often decompose event extraction into multiple subtasks, without considering their possible interactions.…

Computation and Language · Computer Science 2022-10-18 Huiling You , David Samuel , Samia Touileb , Lilja Øvrelid

Cross-document event coreference resolution is a foundational task for NLP applications involving multi-text processing. However, existing corpora for this task are scarce and relatively small, while annotating only modest-size clusters of…

Computation and Language · Computer Science 2021-05-03 Alon Eirew , Arie Cattan , Ido Dagan

Text extraction from web pages has many applications, including web crawling optimization and document clustering. Though much has been written about the acquisition of content from live web pages, content acquisition of archived web pages,…

Digital Libraries · Computer Science 2016-02-24 Shawn M. Jones , Harihar Shankar

There is an overwhelming number of news articles published every day around the globe. Following the evolution of a news-story is a difficult task given that there is no such mechanism available to track back in time to study the diffusion…

Information Retrieval · Computer Science 2017-12-22 Roberto Camacho Barranco , Arnold P. Boedihardjo , M. Shahriar Hossain

Document indexation is an essential task achieved by archivists or automatic indexing tools. To retrieve relevant documents to a query, keywords describing this document have to be carefully chosen. Archivists have to find out the right…

Information Retrieval · Computer Science 2009-12-09 Carlo Abi Chahine , Nathalie Chaignaud , Jean-Philippe Kotowicz , Jean-Pierre Pécuchet

Storytelling, whether via fables, news reports, documentaries, or memoirs, can be thought of as the communication of interesting and related events that, taken together, form a concrete process. It is desirable to extract the event chains…

Computation and Language · Computer Science 2021-09-23 Xiyang Zhang , Muhao Chen , Jonathan May

In web era, since technology has revolutionized mankind life, plenty of data and information are published on the Internet each day. For instance, news agencies publish news on their websites all over the world. These raw data could be an…

Computation and Language · Computer Science 2018-08-10 Mohammad Kamel , Neda Keyvani , Hadi Sadoghi Yazdi

We consider open domain event extraction, the task of extracting unconstraint types of events from news clusters. A novel latent variable neural model is constructed, which is scalable to very large corpus. A dataset is collected and…

Computation and Language · Computer Science 2022-12-19 Xiao Liu , Heyan Huang , Yue Zhang

Since the advent of the web, the amount of data on wen has been increased several million folds. In recent years web data generated is more than data stored for years. One important data format is text. To answer user queries over the…

Information Retrieval · Computer Science 2018-11-19 Chandra Shekhar Yadav

People post information about different topics which are in their active vocabulary over social media platforms (like Twitter, Facebook, PInterest and Google+). They follow each other and it is more likely that the person who posts…

Social and Information Networks · Computer Science 2022-08-30 Muskan Garg

We are presenting a set of multilingual text analysis tools that can help analysts in any field to explore large document collections quickly in order to determine whether the documents contain information of interest, and to find the…

Computation and Language · Computer Science 2007-05-23 Camelia Ignat , Bruno Pouliquen , Ralf Steinberger , Tomaz Erjavec

Understanding and extracting of information from large documents, such as business opportunities, academic articles, medical documents and technical reports, poses challenges not present in short documents. Such large documents may be…

Computation and Language · Computer Science 2019-10-10 Muhammad Mahbubur Rahman , Tim Finin

Social media streams contain large and diverse amount of information, ranging from daily-life stories to the latest global and local events and news. Twitter, especially, allows a fast spread of events happening real time, and enables…

Social and Information Networks · Computer Science 2023-06-30 Quanzhi Li , Yang Chao , Dong Li , Yao Lu , Chi Zhang

Event extraction is a classic task in natural language processing with wide use in handling large amount of yet rapidly growing financial, legal, medical, and government documents which often contain multiple events with their elements…

Computation and Language · Computer Science 2021-09-07 Kaihao Guo , Tianpei Jiang , Haipeng Zhang

Fully understanding narratives often requires identifying events in the context of whole documents and modeling the event relations. However, document-level event extraction is a challenging task as it requires the extraction of event and…

Computation and Language · Computer Science 2021-05-11 Kung-Hsiang Huang , Nanyun Peng

A server, which is to keep track of heavy document traffic, is unable to filter the documents that are most relevant and updated for continuous text search queries. This paper focuses on handling continuous text extraction sustaining high…

Information Retrieval · Computer Science 2013-11-21 Srivatsan Sridharan , Kausal Malladi , Yamini Muralitharan