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Related papers: Improved Relation Extraction with Feature-Rich Com…

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Relation extraction is a fundamental problem in natural language processing. Most existing models are defined for relation extraction in the general domain. However, their performance on specific domains (e.g., biomedicine) is yet unclear.…

Computation and Language · Computer Science 2021-12-14 Yongkang Li

Different semantic interpretation tasks such as text entailment and question answering require the classification of semantic relations between terms or entities within text. However, in most cases it is not possible to assign a direct…

Computation and Language · Computer Science 2018-05-18 Siamak Barzegar , Andre Freitas , Siegfried Handschuh , Brian Davis

Transforming a sentence into a two-dimensional (2D) representation (e.g., the table filling) has the ability to unfold a semantic plane, where an element of the plane is a word-pair representation of a sentence which may denote a possible…

Computation and Language · Computer Science 2024-04-09 Hao Wang , Yanping Chen , Weizhe Yang , Yongbin Qin , Ruizhang Huang

Natural language definitions possess a recursive, self-explanatory semantic structure that can support representation learning methods able to preserve explicit conceptual relations and constraints in the latent space. This paper presents a…

Computation and Language · Computer Science 2024-02-19 Marco Valentino , Danilo S. Carvalho , André Freitas

Learning high-quality embeddings for rare words is a hard problem because of sparse context information. Mimicking (Pinter et al., 2017) has been proposed as a solution: given embeddings learned by a standard algorithm, a model is first…

Computation and Language · Computer Science 2019-04-08 Timo Schick , Hinrich Schütze

Embedding models for entities and relations are extremely useful for recovering missing facts in a knowledge base. Intuitively, a relation can be modeled by a matrix mapping entity vectors. However, relations reside on low dimension…

Machine Learning · Computer Science 2018-05-25 Ryo Takahashi , Ran Tian , Kentaro Inui

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

This paper evaluates existing and newly proposed answer selection methods based on pre-trained word embeddings. Word embeddings are highly effective in various natural language processing tasks and their integration into traditional…

Information Retrieval · Computer Science 2017-08-16 Rishav Chakravarti , Jiri Navratil , Cicero Nogueira dos Santos

Word embedding models offer continuous vector representations that can capture rich contextual semantics based on their word co-occurrence patterns. While these word vectors can provide very effective features used in many NLP tasks such as…

Computation and Language · Computer Science 2017-02-27 Cem Safak Sahin , Rajmonda S. Caceres , Brandon Oselio , William M. Campbell

Recent years have seen rapid development in Information Extraction, as well as its subtask, Relation Extraction. Relation Extraction is able to detect semantic relations between entities in sentences. Currently, many efficient approaches…

Computation and Language · Computer Science 2024-03-19 Zhuang Li

In this paper we introduce a word embedding composition method based on the intuitive idea that a fair embedding representation for a given set of words should satisfy that the new vector will be at the same distance of the vector…

Computation and Language · Computer Science 2024-06-18 Roberto Santana , Mauricio Romero Sicre

Learning representations for semantic relations is important for various tasks such as analogy detection, relational search, and relation classification. Although there have been several proposals for learning representations for individual…

Computation and Language · Computer Science 2015-05-04 Danushka Bollegala , Takanori Maehara , Ken-ichi Kawarabayashi

Reasoning about implied relationships (e.g., paraphrastic, common sense, encyclopedic) between pairs of words is crucial for many cross-sentence inference problems. This paper proposes new methods for learning and using embeddings of word…

Computation and Language · Computer Science 2019-04-09 Mandar Joshi , Eunsol Choi , Omer Levy , Daniel S. Weld , Luke Zettlemoyer

Building meaningful representations of noun compounds is not trivial since many of them scarcely appear in the corpus. To that end, composition functions approximate the distributional representation of a noun compound by combining its…

Computation and Language · Computer Science 2019-06-13 Vered Shwartz

Referring Expression Comprehension (REC) is a foundational cross-modal task that evaluates the interplay of language understanding, image comprehension, and language-to-image grounding. It serves as an essential testing ground for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Xuzheng Yang , Junzhuo Liu , Peng Wang , Guoqing Wang , Yang Yang , Heng Tao Shen

Contextual embeddings represent a new generation of semantic representations learned from Neural Language Modelling (NLM) that addresses the issue of meaning conflation hampering traditional word embeddings. In this work, we show that…

Computation and Language · Computer Science 2019-06-25 Daniel Loureiro , Alipio Jorge

We present a clustering-based language model using word embeddings for text readability prediction. Presumably, an Euclidean semantic space hypothesis holds true for word embeddings whose training is done by observing word co-occurrences.…

Computation and Language · Computer Science 2017-09-07 Miriam Cha , Youngjune Gwon , H. T. Kung

Recently, large language models (LLMs) have been explored for integration with collaborative filtering (CF)-based recommendation systems, which are crucial for personalizing user experiences. However, a key challenge is that LLMs struggle…

Information Retrieval · Computer Science 2025-10-20 Chao Wang , Yixin Song , Jinhui Ye , Chuan Qin , Dazhong Shen , Lingfeng Liu , Xiang Wang , Yanyong Zhang

Neural network-based representations ("embeddings") have dramatically advanced natural language processing (NLP) tasks, including clinical NLP tasks such as concept extraction. Recently, however, more advanced embedding methods and…

Computation and Language · Computer Science 2019-08-15 Yuqi Si , Jingqi Wang , Hua Xu , Kirk Roberts

Relation extraction has been widely studied to extract new relational facts from open corpus. Previous relation extraction methods are faced with the problem of wrong labels and noisy data, which substantially decrease the performance of…

Information Retrieval · Computer Science 2018-05-01 Dongdong Yang , Senzhang Wang , Zhoujun Li