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We present a system that constructs and maintains an up-to-date co-occurrence network of medical concepts based on continuously mining the latest biomedical literature. Users can explore this network visually via a concise online interface…

Information Retrieval · Computer Science 2015-03-20 Alexei Yavlinsky

Relevance search is to find top-ranked entities in a knowledge graph (KG) that are relevant to a query entity. Relevance is ambiguous, particularly over a schema-rich KG like DBpedia which supports a wide range of different semantics of…

Information Retrieval · Computer Science 2019-10-14 Tianshuo Zhou , Ziyang Li , Gong Cheng , Jun Wang , Yu'Ang Wei

Knowledge graphs (KGs) serve as powerful tools for organizing and representing structured knowledge. While their utility is widely recognized, challenges persist in their automation and completeness. Despite efforts in automation and the…

Artificial Intelligence · Computer Science 2024-05-07 Mutahira Khalid , Raihana Rahman , Asim Abbas , Sushama Kumari , Iram Wajahat , Syed Ahmad Chan Bukhari

Biomedical knowledge graphs (KGs) encode vast, heterogeneous information spanning literature, genes, pathways, drugs, diseases, and clinical trials, but leveraging them collectively for scientific discovery remains difficult. Their…

Information Retrieval · Computer Science 2026-01-21 Zifeng Wang , Zheng Chen , Ziwei Yang , Xuan Wang , Qiao Jin , Yifan Peng , Zhiyong Lu , Jimeng Sun

Here we study the semantic search and retrieval problem in biomedical digital libraries. First, we introduce MedGraph, a knowledge graph embedding-based method that provides semantic relevance retrieval and ranking for the biomedical…

Information Retrieval · Computer Science 2021-12-15 Islam Akef Ebeid , Elizabeth Pierce

Navigating, visualizing, and discovery in graph data is frequently a difficult prospect. This is especially true for knowledge graphs (KGs), due to high number of possible labeled connections to other data. However, KGs are frequently…

Human-Computer Interaction · Computer Science 2025-08-12 Antrea Christou , Cogan Shimizu

Drug discovery and development is a complex and costly process. Machine learning approaches are being investigated to help improve the effectiveness and speed of multiple stages of the drug discovery pipeline. Of these, those that use…

Artificial Intelligence · Computer Science 2022-09-27 Stephen Bonner , Ian P Barrett , Cheng Ye , Rowan Swiers , Ola Engkvist , Andreas Bender , Charles Tapley Hoyt , William L Hamilton

Knowledge graphs and large language models (LLMs) are key tools for biomedical knowledge integration and reasoning, facilitating structured organization of scientific articles and discovery of complex semantic relationships. However,…

Computation and Language · Computer Science 2025-04-01 Yichun Feng , Jiawei Wang , Ruikun He , Lu Zhou , Yixue Li

Modern enterprises manage vast knowledge distributed across heterogeneous systems such as Jira, Git repositories, Confluence, and wikis. Conventional retrieval methods based on keyword search or static embeddings often fail to answer…

Artificial Intelligence · Computer Science 2025-10-14 Nilima Rao , Jagriti Srivastava , Pradeep Kumar Sharma , Hritvik Shrivastava

The growing complexity and volume of climate science literature make it increasingly difficult for researchers to find relevant information across models, datasets, regions, and variables. This paper introduces a domain-specific Knowledge…

Computation and Language · Computer Science 2025-09-15 Mustapha Adamu , Qi Zhang , Huitong Pan , Longin Jan Latecki , Eduard C. Dragut

The advent of Large Language Models (LLMs) has revolutionized natural language processing. However, these models face challenges in retrieving precise information from vast datasets. Retrieval-Augmented Generation (RAG) was developed to…

Information Retrieval · Computer Science 2025-03-04 Yuxin Yang , Haoyang Wu , Tao Wang , Jia Yang , Hao Ma , Guojie Luo

Information extraction and data mining in biochemical literature is a daunting task that demands resource-intensive computation and appropriate means to scale knowledge ingestion. Being able to leverage this immense source of technical…

The conversational search paradigm introduces a step change over the traditional search paradigm by allowing users to interact with search agents in a multi-turn and natural fashion. The conversation flows naturally and is usually centered…

Computation and Language · Computer Science 2021-04-15 Mariana Leite , Rafael Ferreira , David Semedo , João Magalhães

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

Biomedical knowledge graphs (KG) are heterogenous networks consisting of biological entities as nodes and relations between them as edges. These entities and relations are extracted from millions of research papers and unified in a single…

Artificial Intelligence · Computer Science 2022-11-11 Dattaraj J. Rao , Shraddha S. Mane , Mukta A. Paliwal

Answering questions that require multi-hop reasoning at web-scale necessitates retrieving multiple evidence documents, one of which often has little lexical or semantic relationship to the question. This paper introduces a new graph-based…

Computation and Language · Computer Science 2020-02-17 Akari Asai , Kazuma Hashimoto , Hannaneh Hajishirzi , Richard Socher , Caiming Xiong

In recent years, the rapid increase in academic publications across various fields has posed severe challenges for academic paper analysis: scientists struggle to timely and comprehensively track the latest research findings and…

Computation and Language · Computer Science 2025-11-06 Ziye Xia , Sergei S. Ospichev

Within clinical, biomedical, and translational science, an increasing number of projects are adopting graphs for knowledge representation. Graph-based data models elucidate the interconnectedness between core biomedical concepts, enable…

Epistemic AI accelerates biomedical discovery by finding hidden connections in the network of biomedical knowledge. The Epistemic AI web-based software platform embodies the concept of knowledge mapping, an interactive process that relies…

Artificial Intelligence · Computer Science 2022-04-04 Da Chen Emily Koo , Heather Bowling , Kenneth Ashworth , David J. Heeger , Stefano Pacifico

There is enormous growth in various fields of research. This development is accompanied by new problems. To solve these problems efficiently and in an optimized manner, algorithms are created and described by researchers in the scientific…

Artificial Intelligence · Computer Science 2022-05-27 Jyotima Patel , Biswanath Dutta