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The rapid expansion of Earth Science data from satellite observations, reanalysis products, and numerical simulations has created a critical bottleneck in scientific discovery, namely identifying relevant datasets for a given research…

Databases · Computer Science 2026-03-03 Youran Sun , Yixin Wen , Haizhao Yang

Multimodal learning is a recent challenge that extends unimodal learning by generalizing its domain to diverse modalities, such as texts, images, or speech. This extension requires models to process and relate information from multiple…

Information Retrieval · Computer Science 2022-09-29 Cheng-An Hsieh , Cheng-Ping Hsieh , Pu-Jen Cheng

The spread of misinformation across digital platforms can pose significant societal risks. Claim verification, a.k.a. fact-checking, systems can help identify potential misinformation. However, their efficacy is limited by the knowledge…

Computation and Language · Computer Science 2026-02-24 Md Badsha Biswas , Ozlem Uzuner

Effective conversational search demands a deep understanding of user intent across multiple dialogue turns. Users frequently use abbreviations and shift topics in the middle of conversations, posing challenges for conventional retrievers.…

Information Retrieval · Computer Science 2025-09-25 Seunghan Yang , Juntae Lee , Jihwan Bang , Kyuhong Shim , Minsoo Kim , Simyung Chang

Starting from an unsolved problem of information retrieval this paper presents an ontology-based model for indexing and retrieval. The model combines the methods and experiences of cognitive-to-interpret indexing languages with the…

Information Retrieval · Computer Science 2013-12-17 Winfried Gödert

Multimedia collections are more than ever growing in size and diversity. Effective multimedia retrieval systems are thus critical to access these datasets from the end-user perspective and in a scalable way. We are interested in…

Information Retrieval · Computer Science 2014-01-28 Gabriela Csurka , Julien Ah-Pine , Stéphane Clinchant

Language-based object detection is a promising direction towards building a natural interface to describe objects in images that goes far beyond plain category names. While recent methods show great progress in that direction, proper…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Samuel Schulter , Vijay Kumar B G , Yumin Suh , Konstantinos M. Dafnis , Zhixing Zhang , Shiyu Zhao , Dimitris Metaxas

Because of the increasing number of electronic data, designing efficient tools to retrieve and exploit documents is a major challenge. Current search engines suffer from two main drawbacks: there is limited interaction with the list of…

Information Retrieval · Computer Science 2010-12-09 Sylvie Ranwez , Vincent Ranwez , Mohameth-François Sy , Jacky Montmain , Michel Crampes

Knowledge-based dialogue systems with internet retrieval have recently attracted considerable attention from researchers. The dialogue systems overcome a major limitation of traditional knowledge dialogue systems, where the timeliness of…

Information Retrieval · Computer Science 2024-01-17 Zhongtian Hu , Yangqi Chen , Meng Zhao , Ronghan Li , Lifang Wang

This Ontologies are widely used as a means for solving the information heterogeneity problems on the web because of their capability to provide explicit meaning to the information. They become an efficient tool for knowledge representation…

Artificial Intelligence · Computer Science 2013-06-04 Nora Y. Ibrahim , Sahar A. Mokhtar , Hany M. Harb

CLaMP 3 is a unified framework developed to address challenges of cross-modal and cross-lingual generalization in music information retrieval. Using contrastive learning, it aligns all major music modalities--including sheet music,…

A variety of knowledge graph embedding approaches have been developed. Most of them obtain embeddings by learning the structure of the knowledge graph within a link prediction setting. As a result, the embeddings reflect only the structure…

Artificial Intelligence · Computer Science 2024-07-08 N'Dah Jean Kouagou , Caglar Demir , Hamada M. Zahera , Adrian Wilke , Stefan Heindorf , Jiayi Li , Axel-Cyrille Ngonga Ngomo

We propose a novel open-domain question answering (ODQA) framework for answering single/multi-hop questions across heterogeneous knowledge sources. The key novelty of our method is the introduction of the intermediary modules into the…

Computation and Language · Computer Science 2022-10-25 Kaixin Ma , Hao Cheng , Xiaodong Liu , Eric Nyberg , Jianfeng Gao

Information retrieval (IR) or knowledge retrieval, is a critical component for many down-stream tasks such as open-domain question answering (QA). It is also very challenging, as it requires succinctness, completeness, and correctness. In…

Computation and Language · Computer Science 2023-08-10 Xiaodong Yu , Ben Zhou , Dan Roth

Data discovery - retrieving relevant tables from a data lake in response to user queries - is a fundamental building block for downstream analytics. In practice, data discovery must support different query modalities, including natural…

The rapid advancement of conversational search systems revolutionizes how information is accessed by enabling the multi-turn interaction between the user and the system. Existing conversational search systems are usually built with two…

Computation and Language · Computer Science 2025-07-14 Fengran Mo , Yifan Gao , Chuan Meng , Xin Liu , Zhuofeng Wu , Kelong Mao , Zhengyang Wang , Pei Chen , Zheng Li , Xian Li , Bing Yin , Meng Jiang

Keyword-based searches are today's standard in digital libraries. Yet, complex retrieval scenarios like in scientific knowledge bases, need more sophisticated access paths. Although each document somewhat contributes to a domain's body of…

Information Retrieval · Computer Science 2024-12-23 Hermann Kroll , Pascal Sackhoff , Timo Breuer , Ralf Schenkel , Wolf-Tilo Balke

Machine learning about language can be improved by supplying it with specific knowledge and sources of external information. We present here a new version of the linked open data resource ConceptNet that is particularly well suited to be…

Computation and Language · Computer Science 2018-12-12 Robyn Speer , Joshua Chin , Catherine Havasi

As the number of scientific publications and preprints is growing exponentially, several attempts have been made to navigate this complex and increasingly detailed landscape. These have almost exclusively taken unsupervised approaches that…

In this paper we present a generic framework for ontology-based information retrieval. We focus on the recognition of semantic information extracted from data sources and the mapping of this knowledge into ontology. In order to achieve more…

Information Retrieval · Computer Science 2014-09-04 Amir Zidi , Mourad Abed