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Semantic caching enhances the efficiency of large language model (LLM) systems by identifying semantically similar queries, storing responses once, and serving them for subsequent equivalent requests. However, existing semantic caching…

机器学习 · 计算机科学 2025-07-10 Shervin Ghaffari , Zohre Bahranifard , Mohammad Akbari

Organizations generate vast amounts of interconnected content across various platforms. While language models enable sophisticated reasoning for use in business applications, retrieving and contextualizing information from organizational…

信息检索 · 计算机科学 2025-04-11 Adam McCabe , Matthew H. Chequers

Entity synonyms discovery is crucial for entity-leveraging applications. However, existing studies suffer from several critical issues: (1) the input mentions may be out-of-vocabulary (OOV) and may come from a different semantic space of…

人工智能 · 计算机科学 2021-04-02 Yiying Yang , Xi Yin , Haiqin Yang , Xingjian Fei , Hao Peng , Kaijie Zhou , Kunfeng Lai , Jianping Shen

Financial event entity extraction is a crucial task for analyzing market dynamics and building financial knowledge graphs, yet it presents significant challenges due to the specialized language and complex structures in financial texts.…

计算与语言 · 计算机科学 2025-04-22 Soo-joon Choi , Ji-jun Park

Entity extraction is an important task in text mining and natural language processing. A popular method for entity extraction is by comparing substrings from free text against a dictionary of entities. In this paper, we present several…

计算与语言 · 计算机科学 2019-11-22 Zeyi Wen , Zeyu Huang , Rui Zhang

Clinical named entity recognition (NER) aims to retrieve important entities within clinical narratives. Recent works have demonstrated that large language models (LLMs) can achieve strong performance in this task. While previous works focus…

计算与语言 · 计算机科学 2025-02-21 Reza Averly , Xia Ning

Entity linking (EL) is the process of linking entity mentions appearing in web text with their corresponding entities in a knowledge base. EL plays an important role in the fields of knowledge engineering and data mining, underlying a…

计算与语言 · 计算机科学 2021-09-28 Wei Shen , Yuhan Li , Yinan Liu , Jiawei Han , Jianyong Wang , Xiaojie Yuan

External knowledge,e.g., entities and entity descriptions, can help humans understand texts. Many works have been explored to include external knowledge in the pre-trained models. These methods, generally, design pre-training tasks and…

计算与语言 · 计算机科学 2022-08-19 Qinghua Zhao , Shuai Ma , Yuxuan Lei

This paper explores entity embedding effectiveness in ad-hoc entity retrieval, which introduces distributed representation of entities into entity retrieval. The knowledge graph contains lots of knowledge and models entity semantic…

信息检索 · 计算机科学 2019-08-29 Zhenghao Liu , Chenyan Xiong , Maosong Sun , Zhiyuan Liu

Entity matching is the problem of identifying which records refer to the same real-world entity. It has been actively researched for decades, and a variety of different approaches have been developed. Even today, it remains a challenging…

数据库 · 计算机科学 2021-06-02 Nils Barlaug , Jon Atle Gulla

There is an increasing interest in studying natural language and computer code together, as large corpora of programming texts become readily available on the Internet. For example, StackOverflow currently has over 15 million programming…

计算与语言 · 计算机科学 2020-11-17 Jeniya Tabassum , Mounica Maddela , Wei Xu , Alan Ritter

We consider the problem of conversational question answering over a large-scale knowledge base. To handle huge entity vocabulary of a large-scale knowledge base, recent neural semantic parsing based approaches usually decompose the task…

计算与语言 · 计算机科学 2019-10-14 Tao Shen , Xiubo Geng , Tao Qin , Daya Guo , Duyu Tang , Nan Duan , Guodong Long , Daxin Jiang

We present an ensemble approach for categorizing search query entities in the recruitment domain. Understanding the types of entities expressed in a search query (Company, Skill, Job Title, etc.) enables more intelligent information…

计算与语言 · 计算机科学 2016-11-17 Walid Shalaby , Khalifeh Al Jadda , Mohammed Korayem , Trey Grainger

Entity linking is an important step towards constructing knowledge graphs that facilitate advanced question answering over scientific documents, including the retrieval of relevant information included in tables within these documents. This…

信息检索 · 计算机科学 2023-06-21 Varish Mulwad , Tim Finin , Vijay S. Kumar , Jenny Weisenberg Williams , Sharad Dixit , Anupam Joshi

Entity matching is an important and difficult step for integrating web data. To reduce the typically high execution time for matching we investigate how we can perform entity matching in parallel on a distributed infrastructure. We propose…

分布式、并行与集群计算 · 计算机科学 2010-06-29 Toralf Kirsten , Lars Kolb , Michael Hartung , Anika Groß , Hanna Köpcke , Erhard Rahm

Entity Alignment (EA) seeks to identify and match corresponding entities across different Knowledge Graphs (KGs), playing a crucial role in knowledge fusion and integration. Embedding-based entity alignment (EA) has recently gained…

计算与语言 · 计算机科学 2024-12-09 Xuan Chen , Tong Lu , Zhichun Wang

Open Named Entity Recognition (NER), which involves identifying arbitrary types of entities from arbitrary domains, remains challenging for Large Language Models (LLMs). Recent studies suggest that fine-tuning LLMs on extensive NER data can…

Recent advances in machine learning have significantly impacted the field of information extraction, with Language Models (LMs) playing a pivotal role in extracting structured information from unstructured text. Prior works typically…

计算与语言 · 计算机科学 2024-10-03 Haolun Wu , Ye Yuan , Liana Mikaelyan , Alexander Meulemans , Xue Liu , James Hensman , Bhaskar Mitra

Unsupervised learning of low-dimensional, semantic representations of words and entities has recently gained attention. In this paper we describe the Semantic Entity Retrieval Toolkit (SERT) that provides implementations of our previously…

计算与语言 · 计算机科学 2017-07-18 Christophe Van Gysel , Maarten de Rijke , Evangelos Kanoulas

Crowdsourced entity extraction is often used to acquire data for many applications, including recommendation systems, construction of aggregated listings and directories, and knowledge base construction. Current solutions focus on entity…

数据库 · 计算机科学 2015-02-25 Theodoros Rekatsinas , Amol Deshpande , Aditya Parameswaran