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Conversational Recommender Systems (CRSs) aim to provide personalized recommendations by interacting with users through conversations. Most existing studies of CRS focus on extracting user preferences from conversational contexts. However,…

Information Retrieval · Computer Science 2025-04-28 Yibiao Wei , Jie Zou , Weikang Guo , Guoqing Wang , Xing Xu , Yang Yang

Fine-grained user profile generation approaches have made it increasingly feasible to display on a profile page in which topics a user has expertise or interest. Earlier work on topical user profiling has been directed at enhancing search…

Information Retrieval · Computer Science 2016-11-22 Alex Olieman , Jaap Kamps , Gleb Satyukov , Emil de Valk

We present SemRepo, an RDF knowledge graph comprising over 81 million triples describing nearly 200,000 GitHub repositories associated with scientific research. SemRepo captures repository-level metadata, such as contributors, issues, and…

Digital Libraries · Computer Science 2026-05-14 Abdul Rafay , Yuni Susanti , David Lamprecht , Michael Färber

Novel contexts may often arise in complex querying scenarios such as in evidence-based medicine (EBM) involving biomedical literature, that may not explicitly refer to entities or canonical concept forms occurring in any fact- or rule-based…

Computation and Language · Computer Science 2019-11-12 Manirupa Das , Juanxi Li , Eric Fosler-Lussier , Simon Lin , Soheil Moosavinasab , Steve Rust , Yungui Huang , Rajiv Ramnath

The Semantic Web began to emerge as its standards and technologies developed rapidly in the recent years. The continuing development of Semantic Web technologies has facilitated publishing explicit semantics with data on the Web in RDF data…

Artificial Intelligence · Computer Science 2017-07-13 Serkan Ayvaz , Mehmet Aydar

A popular approach to semantic image understanding is to manually tag images with keywords and then learn a mapping from vi- sual features to keywords. Manually tagging images is a subjective pro- cess and the same or very similar visual…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Ke Sun , Xianxu Hou , Qian Zhang , Guoping Qiu

We present a repository decomposition system that converts large software repositories into a vectorized knowledge graph which mirrors project architectural and semantic structure, capturing semantic relationships and allowing a significant…

In this work, we aim at equipping pre-trained language models with structured knowledge. We present two self-supervised tasks learning over raw text with the guidance from knowledge graphs. Building upon entity-level masked language models,…

Computation and Language · Computer Science 2020-04-30 Tao Shen , Yi Mao , Pengcheng He , Guodong Long , Adam Trischler , Weizhu Chen

Sequential recommendation has increasingly shifted toward generative recommenders that combine sequential patterns with semantic item information. Yet these methods are often evaluated on a small set of widely used benchmarks, raising a key…

Information Retrieval · Computer Science 2026-05-11 Haoyu Han , Li Ma , Hanbing Wang , Bingheng Li , Daochen Zha , Chun How Tan , Huiji Gao , Xin Liu , Stephanie Moyerman , Sanjeev Katariya , Hui Liu , Jiliang Tang

Tables on the Web contain a vast amount of knowledge in a structured form. To tap into this valuable resource, we address the problem of table retrieval: answering an information need with a ranked list of tables. We investigate this…

Information Retrieval · Computer Science 2021-05-14 Shuo Zhang , Krisztian Balog

Type-4 clones refer to a pair of code snippets with similar semantics but written in different syntax, which challenges the existing code clone detection techniques. Previous studies, however, highly rely on syntactic structures and textual…

Software Engineering · Computer Science 2022-06-29 Zhipeng Xue , Zhijie Jiang , Chenlin Huang , Rulin Xu , Xiangbing Huang , Liumin Hu

Code Search is a key task that many programmers often have to perform while developing solutions to problems. Current methodologies suffer from an inability to perform accurately on prompts that contain some ambiguity or ones that require…

Software Engineering · Computer Science 2024-08-22 Sarthak Jain , Aditya Dora , Ka Seng Sam , Prabhat Singh

Graph recommendation methods, representing a connected interaction perspective, reformulate user-item interactions as graphs to leverage graph structure and topology to recommend and have proved practical effectiveness at scale. Large…

Artificial Intelligence · Computer Science 2025-07-18 Xinyuan Wang , Liang Wu , Liangjie Hong , Hao Liu , Yanjie Fu

Recommender systems usually operate on similarities between recommended items or users. Tag based recommender systems utilize similarities on tags. The tags are however mostly free user entered phrases. Therefore, similarities computed…

Information Retrieval · Computer Science 2011-11-08 Frederico Durao , Peter Dolog

This paper introduces SemRAG, an enhanced Retrieval Augmented Generation (RAG) framework that efficiently integrates domain-specific knowledge using semantic chunking and knowledge graphs without extensive fine-tuning. Integrating…

Computation and Language · Computer Science 2025-07-30 Kezhen Zhong , Basem Suleiman , Abdelkarim Erradi , Shijing Chen

Software development projects management is a complex endeavor because it requires dealing with numerous unforeseen events that constantly arise along the way and that go against the expectations that had been established at the beginning.…

Software Engineering · Computer Science 2022-09-27 Fernando Pinciroli

With the development of pre-trained language models, many prompt-based approaches to data-efficient knowledge graph construction have been proposed and achieved impressive performance. However, existing prompt-based learning methods for…

Computation and Language · Computer Science 2023-09-19 Yunzhi Yao , Shengyu Mao , Ningyu Zhang , Xiang Chen , Shumin Deng , Xi Chen , Huajun Chen

We propose in this paper a new, hybrid document embedding approach in order to address the problem of document similarities with respect to the technical content. To do so, we employ a state-of-the-art graph techniques to first extract the…

Computation and Language · Computer Science 2019-07-02 Hamid Mirisaee , Eric Gaussier , Cedric Lagnier , Agnes Guerraz

Academic Search is a search task aimed to manage and retrieve scientific documents like journal articles and conference papers. Personalization in this context meets individual researchers' needs by leveraging, through user profiles, the…

Information Retrieval · Computer Science 2025-07-21 Pranav Kasela , Gabriella Pasi , Raffaele Perego

Facilitated by deep neural networks, video recommendation systems have made significant advances. Existing video recommendation systems directly exploit features from different modalities (e.g., user personal data, user behavior data, video…

Information Retrieval · Computer Science 2020-10-27 Shi Pu , Yijiang He , Zheng Li , Mao Zheng
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