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The task of ultra-fine entity typing (UFET) seeks to predict diverse and free-form words or phrases that describe the appropriate types of entities mentioned in sentences. A key challenge for this task lies in the large amount of types and…

Computation and Language · Computer Science 2022-02-15 Bangzheng Li , Wenpeng Yin , Muhao Chen

Ultra-fine entity typing (UFET) aims to predict a wide range of type phrases that correctly describe the categories of a given entity mention in a sentence. Most recent works infer each entity type independently, ignoring the correlations…

Computation and Language · Computer Science 2022-12-06 Chengyue Jiang , Yong Jiang , Weiqi Wu , Pengjun Xie , Kewei Tu

Ultra-fine entity typing (UFET) is the task of inferring the semantic types, from a large set of fine-grained candidates, that apply to a given entity mention. This task is especially challenging because we only have a small number of…

Computation and Language · Computer Science 2023-05-23 Na Li , Zied Bouraoui , Steven Schockaert

Ultra-fine entity typing plays a crucial role in information extraction by predicting fine-grained semantic types for entity mentions in text. However, this task poses significant challenges due to the massive number of entity types in the…

Computation and Language · Computer Science 2023-11-03 Yanlin Feng , Adithya Pratapa , David R Mortensen

Entity typing is the task of assigning semantic types to the entities that are mentioned in a text. In the case of fine-grained entity typing (FET), a large set of candidate type labels is considered. Since obtaining sufficient amounts of…

Computation and Language · Computer Science 2024-01-30 Frank Mtumbuka , Steven Schockaert

We introduce a new entity typing task: given a sentence with an entity mention, the goal is to predict a set of free-form phrases (e.g. skyscraper, songwriter, or criminal) that describe appropriate types for the target entity. This…

Computation and Language · Computer Science 2018-07-16 Eunsol Choi , Omer Levy , Yejin Choi , Luke Zettlemoyer

Recently, there is an effort to extend fine-grained entity typing by using a richer and ultra-fine set of types, and labeling noun phrases including pronouns and nominal nouns instead of just named entity mentions. A key challenge for this…

Computation and Language · Computer Science 2021-06-09 Hongliang Dai , Yangqiu Song , Haixun Wang

We introduce ReFinED, an efficient end-to-end entity linking model which uses fine-grained entity types and entity descriptions to perform linking. The model performs mention detection, fine-grained entity typing, and entity disambiguation…

Computation and Language · Computer Science 2022-07-12 Tom Ayoola , Shubhi Tyagi , Joseph Fisher , Christos Christodoulopoulos , Andrea Pierleoni

Entity Linking has two main open areas of research: 1) generate candidate entities without using alias tables and 2) generate more contextual representations for both mentions and entities. Recently, a solution has been proposed for the…

Computation and Language · Computer Science 2020-04-08 Oshin Agarwal , Daniel M. Bikel

Fine-grained entity typing is a challenging problem since it usually involves a relatively large tag set and may require to understand the context of the entity mention. In this paper, we use entity linking to help with the fine-grained…

Computation and Language · Computer Science 2019-09-27 Hongliang Dai , Donghong Du , Xin Li , Yangqiu Song

Named entity typing (NET) is a classification task of assigning an entity mention in the context with given semantic types. However, with the growing size and granularity of the entity types, rare researches in previous concern with newly…

Computation and Language · Computer Science 2020-11-04 Tao Zhang , Congying Xia , Chun-Ta Lu , Philip Yu

For the task of fine-grained entity typing (FET), due to the use of a large number of entity types, it is usually considered too costly to manually annotating a training dataset that contains an ample number of examples for each type. A…

Computation and Language · Computer Science 2023-12-12 Hongliang Dai , Ziqian Zeng

Entity Typing (ET) is the process of identifying the semantic types of every entity within a corpus. In contrast to Named Entity Recognition, where each token in a sentence is labelled with zero or one class label, ET involves labelling…

Computation and Language · Computer Science 2020-03-24 Michael Stewart , Wei Liu

Biomedical entity linking is the task of identifying mentions of biomedical concepts in text documents and mapping them to canonical entities in a target thesaurus. Recent advancements in entity linking using BERT-based models follow a…

Computation and Language · Computer Science 2021-03-10 Rajarshi Bhowmik , Karl Stratos , Gerard de Melo

Fine-grained entity typing (FET) is the task of identifying specific entity types at a fine-grained level for entity mentions based on their contextual information. Conventional methods for FET require extensive human annotation, which is…

Computation and Language · Computer Science 2023-10-13 Siru Ouyang , Jiaxin Huang , Pranav Pillai , Yunyi Zhang , Yu Zhang , Jiawei Han

A common retrieve-and-rerank paradigm involves retrieving relevant candidates from a broad set using a fast bi-encoder (BE), followed by applying expensive but accurate cross-encoders (CE) to a limited candidate set. However, relying on…

Computation and Language · Computer Science 2024-10-28 Jonghyun Song , Cheyon Jin , Wenlong Zhao , Andrew McCallum , Jay-Yoon Lee

Despite considerable progress in neural relevance ranking techniques, search engines still struggle to process complex queries effectively - both in terms of precision and recall. Sparse and dense Pseudo-Relevance Feedback (PRF) approaches…

Information Retrieval · Computer Science 2023-12-06 Iain Mackie , Shubham Chatterjee , Sean MacAvaney , Jeffrey Dalton

In standard methodology for natural language processing, entities in text are typically embedded in dense vector spaces with pre-trained models. The embeddings produced this way are effective when fed into downstream models, but they…

Computation and Language · Computer Science 2020-10-14 Yasumasa Onoe , Greg Durrett

Fine-grained Entity Typing is a tough task which suffers from noise samples extracted from distant supervision. Thousands of manually annotated samples can achieve greater performance than millions of samples generated by the previous…

Artificial Intelligence · Computer Science 2019-06-14 Sheng Lin , Luye Zheng , Bo Chen , Siliang Tang , Yueting Zhuang , Fei Wu , Zhigang Chen , Guoping Hu , Xiang Ren

In this paper, we explore a new approach to named entity recognition (NER) with the goal of learning from context and fragment features more effectively, contributing to the improvement of overall recognition performance. We use the recent…

Computation and Language · Computer Science 2019-04-23 Nargiza Nosirova , Mingbin Xu , Hui Jiang
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