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Recent advances in machine learning, particularly Large Language Models (LLMs) such as BERT and GPT, provide rich contextual embeddings that improve text representation. However, current document clustering approaches often ignore the…

Computation and Language · Computer Science 2024-12-20 Imed Keraghel , Mohamed Nadif

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…

Computation and Language · Computer Science 2024-10-03 Haolun Wu , Ye Yuan , Liana Mikaelyan , Alexander Meulemans , Xue Liu , James Hensman , Bhaskar Mitra

A common approach for knowledge-base entity search is to consider an entity as a document with multiple fields. Models that focus on matching query terms in different fields are popular choices for searching such entity representations. An…

Information Retrieval · Computer Science 2019-07-03 Shahrzad Naseri , Sheikh Muhammad Sarwar , James Allan

Disconnected data silos within enterprises obstruct the extraction of actionable insights, diminishing efficiency in areas such as product development, client engagement, meeting preparation, and analytics-driven decision-making. This paper…

Artificial Intelligence · Computer Science 2025-03-12 Rajeev Kumar , Kumar Ishan , Harishankar Kumar , Abhinandan Singla

Entity Linking involves detecting and linking entity mentions in natural language texts to a knowledge graph. Traditional methods use a two-step process with separate models for entity recognition and disambiguation, which can be…

Computation and Language · Computer Science 2025-10-23 Daniel Vollmers , Hamada M. Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

We explore the effectiveness of an LLM-guided query refinement paradigm for extending the usability of embedding models to challenging zero-shot search and classification tasks. Our approach refines the embedding representation of a user…

Computation and Language · Computer Science 2026-05-13 Ariel Gera , Shir Ashury-Tahan , Gal Bloch , Ohad Eytan , Assaf Toledo

Large Language Models (LLMs) have achieved impressive progress in natural language processing, but their limited ability to retain long-term context constrains performance on document-level or multi-turn tasks. Retrieval-Augmented…

Computation and Language · Computer Science 2025-05-20 Zhangyu Wang , Siyuan Gao , Rong Zhou , Hao Wang , Li Ning

Literature search is critical for any scientific research. Different from Web or general domain search, a large portion of queries in scientific literature search are entity-set queries, that is, multiple entities of possibly different…

Information Retrieval · Computer Science 2018-05-01 Jiaming Shen , Jinfeng Xiao , Xinwei He , Jingbo Shang , Saurabh Sinha , Jiawei Han

The construction of experimental datasets is essential for expanding the scope of data-driven scientific discovery. Recent advances in natural language processing (NLP) have facilitated automatic extraction of structured data from…

Computation and Language · Computer Science 2025-05-12 Junhyeong Lee , Jong Min Yuk , Chan-Woo Lee

Modern entity linking systems rely on large collections of documents specifically annotated for the task (e.g., AIDA CoNLL). In contrast, we propose an approach which exploits only naturally occurring information: unlabeled documents and…

Computation and Language · Computer Science 2019-06-05 Phong Le , Ivan Titov

Complementary product recommendation, which aims to suggest items that are used together to enhance customer value, is a crucial yet challenging task in e-commerce. While existing graph neural network (GNN) approaches have made significant…

Information Retrieval · Computer Science 2025-12-02 Zekun Xu , Yudi Zhang

Our work addresses the challenges of understanding tables. Existing methods often struggle with the unpredictable nature of table content, leading to a reliance on preprocessing and keyword matching. They also face limitations due to the…

Computation and Language · Computer Science 2025-08-26 Thi-Nhung Nguyen , Hoang Ngo , Dinh Phung , Thuy-Trang Vu , Dat Quoc Nguyen

Accurate query-product relevance labeling is indispensable to generate ground truth dataset for search ranking in e-commerce. Traditional approaches for annotating query-product pairs rely on human-based labeling services, which is…

Information Retrieval · Computer Science 2025-02-27 Jayant Sachdev , Sean D Rosario , Abhijeet Phatak , He Wen , Swati Kirti , Chittaranjan Tripathy

Entity matching (EM) is a critical step in entity resolution (ER). Recently, entity matching based on large language models (LLMs) has shown great promise. However, current LLM-based entity matching approaches typically follow a binary…

Computation and Language · Computer Science 2024-12-13 Tianshu Wang , Xiaoyang Chen , Hongyu Lin , Xuanang Chen , Xianpei Han , Hao Wang , Zhenyu Zeng , Le Sun

In recent years, efforts have been made to use text information for better user profiling and item characterization in recommendations. However, text information can sometimes be of low quality, hindering its effectiveness for real-world…

Artificial Intelligence · Computer Science 2024-02-15 Yingpeng Du , Ziyan Wang , Zhu Sun , Haoyan Chua , Hongzhi Liu , Zhonghai Wu , Yining Ma , Jie Zhang , Youchen Sun

Enterprise Knowledge Graphs have become essential for unifying heterogeneous data and enforcing semantic governance. However, the construction of their underlying ontologies remains a resource-intensive, manual process that relies heavily…

Artificial Intelligence · Computer Science 2026-02-03 Abdulsobur Oyewale , Tommaso Soru

This article analyzes the use of Large Language Models (LLMs) as support for the conceptual modeling of relational databases through the automatic generation of Entity-Relationship (ER) diagrams from natural language requirements. The…

Artificial Intelligence · Computer Science 2026-05-13 Arthur F. Siqueira , Carlos D. S. Nogueira , Eduarda Farias , Claudio E. C. Campelo , Júlia Menezes

In this research, we improve upon the current state of the art in entity retrieval by re-ranking the result list using graph embeddings. The paper shows that graph embeddings are useful for entity-oriented search tasks. We demonstrate…

Information Retrieval · Computer Science 2020-05-07 Emma J. Gerritse , Faegheh Hasibi , Arjen P. de Vries

Product information extraction is crucial for e-commerce services, but obtaining high-quality labeled datasets remains challenging. We present a systematic approach for generating synthetic e-commerce product data using Large Language…

Computation and Language · Computer Science 2026-01-09 Virginia Negri , Víctor Martínez Gómez , Sergio A. Balanya , Subburam Rajaram