English
Related papers

Related papers: Thematically Reinforced Explicit Semantic Analysis

200 papers

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

This paper presents preliminary works on using Word Embedding (word2vec) for query expansion in the context of Personalized Information Retrieval. Traditionally, word embeddings are learned on a general corpus, like Wikipedia. In this work…

Information Retrieval · Computer Science 2016-06-23 Nawal Ould-Amer , Philippe Mulhem , Mathias Gery

Entity Set Expansion (ESE) is a critical task aiming at expanding entities of the target semantic class described by seed entities. Most existing ESE methods are retrieval-based frameworks that need to extract contextual features of…

Computation and Language · Computer Science 2024-08-06 Shulin Huang , Shirong Ma , Yangning Li , Yinghui Li , Hai-Tao Zheng

Recent techniques in Question Answering (QA) have gained remarkable performance improvement with some QA models even surpassed human performance. However, the ability of these models in truly understanding the language still remains dubious…

Computation and Language · Computer Science 2022-03-01 Weiwen Xu , Bowei Zou , Wai Lam , Ai Ti Aw

External linguistic resources have been used for a very long time in information extraction. These methods enrich a document with data that are semantically equivalent, in order to improve recall. For instance, some of these methods use…

Information Retrieval · Computer Science 2007-05-23 Bernard Jacquemin , Caroline Brun , Claude Roux

Automated Essay Score (AES) is proven to be one of the cutting-edge technologies. Scoring techniques are used for various purposes. Reliable scores are calculated based on influential variables. Such variables can be computed by different…

Machine Learning · Computer Science 2023-10-05 Bagiya Lakshmi S , Sanjjushri Varshini R , Rohith Mahadevan , Raja CSP Raman

Handling long-context sequences efficiently remains a significant challenge in large language models (LLMs). Existing methods for token selection in sequence extrapolation either employ a permanent eviction strategy or select tokens by…

Computation and Language · Computer Science 2025-02-21 Haoyu Wang , Tong Teng , Tianyu Guo , An Xiao , Duyu Tang , Hanting Chen , Yunhe Wang

This paper will explore the use of autoencoders for semantic hashing in the context of Information Retrieval. This paper will summarize how to efficiently train an autoencoder in order to create meaningful and low-dimensional encodings of…

Information Retrieval · Computer Science 2018-03-14 Sean Billings

Topic modeling analyzes documents to learn meaningful patterns of words. However, existing topic models fail to learn interpretable topics when working with large and heavy-tailed vocabularies. To this end, we develop the Embedded Topic…

Information Retrieval · Computer Science 2019-07-12 Adji B. Dieng , Francisco J. R. Ruiz , David M. Blei

Evaluating semantic relatedness of Web resources is still an open challenge. This paper focuses on knowledge-based methods, which represent an alternative to corpus-based approaches, and rely in general on the availability of knowledge…

Artificial Intelligence · Computer Science 2023-08-21 Anna Formica , Francesco Taglino

With the large and increasing volume of textual data, automated methods for identifying significant topics to classify textual documents have received a growing interest. While many efforts have been made in this direction, it still remains…

Information Retrieval · Computer Science 2016-06-10 Khadim Dramé , Fleur Mougin , Gayo Diallo

The embeddings of entities in a large knowledge base (e.g., Wikipedia) are highly beneficial for solving various natural language tasks that involve real world knowledge. In this paper, we present Wikipedia2Vec, a Python-based open-source…

Computation and Language · Computer Science 2020-09-29 Ikuya Yamada , Akari Asai , Jin Sakuma , Hiroyuki Shindo , Hideaki Takeda , Yoshiyasu Takefuji , Yuji Matsumoto

Rapid advances in text-to-image (T2I) generation have raised higher requirements for evaluation methodologies. Existing benchmarks center on objective capabilities and dimensions, but lack an application-scenario perspective, limiting…

Artificial Intelligence · Computer Science 2025-09-23 Xiaojing Dong , Weilin Huang , Liang Li , Yiying Li , Shu Liu , Tongtong Ou , Shuang Ouyang , Yu Tian , Fengxuan Zhao

Knowledge graphs suffer from sparsity which degrades the quality of representations generated by various methods. While there is an abundance of textual information throughout the web and many existing knowledge bases, aligning information…

Computation and Language · Computer Science 2021-04-13 Saed Rezayi , Handong Zhao , Sungchul Kim , Ryan A. Rossi , Nedim Lipka , Sheng Li

Automatic measurement of semantic text similarity is an important task in natural language processing. In this paper, we evaluate the performance of different vector space models to perform this task. We address the real-world problem of…

Computation and Language · Computer Science 2018-10-02 Omid Shahmirzadi , Adam Lugowski , Kenneth Younge

The search for relevant information can be very frustrating for users who, unintentionally, use too general or inappropriate keywords to express their requests. To overcome this situation, query expansion techniques aim at transforming the…

Information Retrieval · Computer Science 2016-05-13 Joan Guisado-Gámez , Arnau Prat-Pérez , Josep Lluís Larriba-Pey

With the advent of the Internet, a new era of digital information exchange has begun. Currently, the Internet encompasses more than five billion online sites and this number is exponentially increasing every day. Fundamentally, Information…

Information Retrieval · Computer Science 2012-04-03 Youssef Bassil , Paul Semaan

While several self-indexes for highly repetitive texts exist, developing a practical self-index applicable to real world repetitive texts remains a challenge. ESP-index is a grammar-based self-index on the notion of edit-sensitive parsing…

Data Structures and Algorithms · Computer Science 2014-04-29 Yoshimasa Takabatake , Yasuo Tabei , Hiroshi Sakamoto

Retrieving paragraphs to populate a Wikipedia article is a challenging task. The new TREC Complex Answer Retrieval (TREC CAR) track introduces a comprehensive dataset that targets this retrieval scenario. We present early results from a…

Information Retrieval · Computer Science 2017-05-16 Federico Nanni , Bhaskar Mitra , Matt Magnusson , Laura Dietz

Text classification, as the task consisting in assigning categories to textual instances, is a very common task in information science. Methods learning distributed representations of words, such as word embeddings, have become popular in…

Computation and Language · Computer Science 2020-12-15 Arkaitz Zubiaga