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This paper presents the principles of ontology-supported and ontology-driven conceptual navigation. Conceptual navigation realizes the independence between resources and links to facilitate interoperability and reusability. An engine builds…

Information Retrieval · Computer Science 2007-05-23 Michel Crampes , Sylvie Ranwez

Experimental research publications provide figure form resources including graphs, charts, and any type of images to effectively support and convey methods and results. To describe figures, authors add captions, which are often incomplete,…

Computation and Language · Computer Science 2022-08-15 Gilchan Park , Julia Rayz , Line Pouchard

Conceptualization, a fundamental element of human cognition, plays a pivotal role in human generalizable reasoning. Generally speaking, it refers to the process of sequentially abstracting specific instances into higher-level concepts and…

Computation and Language · Computer Science 2025-08-25 Weiqi Wang , Tianqing Fang , Haochen Shi , Baixuan Xu , Wenxuan Ding , Liyu Zhang , Wei Fan , Jiaxin Bai , Haoran Li , Xin Liu , Yangqiu Song

We introduce an extractive summarization system for meetings that leverages discourse structure to better identify salient information from complex multi-party discussions. Using discourse graphs to represent semantic relations between the…

Computation and Language · Computer Science 2024-09-24 Virgile Rennard , Guokan Shang , Michalis Vazirgiannis , Julie Hunter

Document indexation is an essential task achieved by archivists or automatic indexing tools. To retrieve relevant documents to a query, keywords describing this document have to be carefully chosen. Archivists have to find out the right…

Information Retrieval · Computer Science 2009-12-09 Carlo Abi Chahine , Nathalie Chaignaud , Jean-Philippe Kotowicz , Jean-Pierre Pécuchet

The maturity of deep learning techniques has led in recent years to a breakthrough in object recognition in visual media. While for some specific benchmarks, neural techniques seem to match if not outperform human judgement, challenges are…

Information Retrieval · Computer Science 2016-06-01 Sanchit Arora , Chuck Cho , Paul Fitzpatrick , Francois Scharffe

Ontologies have been widely used in numerous and varied applications, e.g., to support data modeling, information integration, and knowledge management. With the increasing size of ontologies, ontology understanding, which is playing an…

Information Retrieval · Computer Science 2018-05-17 Seyedamin Pouriyeh , Mehdi Allahyari , Qingxia Liu , Gong Cheng , Hamid Reza Arabnia , Yuzhong Qu , Krys Kochut

Concept discovery is one of the open problems in the interpretability literature that is important for bridging the gap between non-deep learning experts and model end-users. Among current formulations, concepts defines them by as a…

Machine Learning · Computer Science 2022-02-11 Adrianna Janik , Kris Sankaran

Models for question answering, dialogue agents, and summarization often interpret the meaning of a sentence in a rich context and use that meaning in a new context. Taking excerpts of text can be problematic, as key pieces may not be…

Computation and Language · Computer Science 2021-02-11 Eunsol Choi , Jennimaria Palomaki , Matthew Lamm , Tom Kwiatkowski , Dipanjan Das , Michael Collins

Visually mining a large influence graph is appealing yet challenging. People are amazed by pictures of newscasting graph on Twitter, engaged by hidden citation networks in academics, nevertheless often troubled by the unpleasant readability…

Social and Information Networks · Computer Science 2016-11-17 Lei Shi , Hanghang Tong , Jie Tang , Chuang Lin

A challenge of managing and extracting useful knowledge from social media data sources has attracted much attention from academic and industry. To address this challenge, semantic analysis of textual data is focused in this paper. We…

Information Retrieval · Computer Science 2018-07-09 Pornpit Wongthontham , Bilal Abu-Salih

In spite of the development of content-based data management, text-based searching remains the primary means of multimedia retrieval in many areas. Automatic creation of text metadata is thus a crucial tool for increasing the findability of…

Information Retrieval · Computer Science 2014-12-19 Jan Botorek , Petra Budikova , Pavel Zezula

The interpretation of deep neural networks (DNNs) has become a key topic as more and more people apply them to solve various problems and making critical decisions. Concept-based explanations have recently become a popular approach for…

Human-Computer Interaction · Computer Science 2021-08-10 Zhenge Zhao , Panpan Xu , Carlos Scheidegger , Liu Ren

With the large volume of unstructured data that increases constantly on the web, the motivation of representing the knowledge in this data in the machine-understandable form is increased. Ontology is one of the major cornerstones of…

Computation and Language · Computer Science 2021-05-10 Fatima N. AL-Aswadi , Huah Yong Chan , Keng Hoon Gan

Wikipedia abstract generation aims to distill a Wikipedia abstract from web sources and has met significant success by adopting multi-document summarization techniques. However, previous works generally view the abstract as plain text,…

Computation and Language · Computer Science 2021-06-30 Fangwei Zhu , Shangqing Tu , Jiaxin Shi , Juanzi Li , Lei Hou , Tong Cui

This article combines the vocabulary of semiotics and category theory to provide a formal analysis of visualization. It shows how familiar processes of visualization fit the semiotic frameworks of both Saussure and Peirce, and extends these…

Logic in Computer Science · Computer Science 2013-11-21 Paul Vickers , Joe Faith , Nick Rossiter

Conversational machine comprehension (MC) has proven significantly more challenging compared to traditional MC since it requires better utilization of conversation history. However, most existing approaches do not effectively capture…

Computation and Language · Computer Science 2020-07-16 Yu Chen , Lingfei Wu , Mohammed J. Zaki

We consider the problem of understanding real world tasks depicted in visual images. While most existing image captioning methods excel in producing natural language descriptions of visual scenes involving human tasks, there is often the…

Information Retrieval · Computer Science 2018-11-30 Sebastin Santy , Wazeer Zulfikar , Rishabh Mehrotra , Emine Yilmaz

Psychology has had difficulty accounting for the creative, context-sensitive manner in which concepts are used. We believe this stems from the view of concepts as identifiers rather than bridges between mind and world that participate in…

Adaptation and Self-Organizing Systems · Physics 2013-08-26 Liane Gabora , Eleanor Rosch , Diederik Aerts

In the field of knowledge management and computer science, ontologies provide a structured framework for modeling domain-specific knowledge by defining concepts and their relationships. However, the lack of tools that provide effective…

Artificial Intelligence · Computer Science 2025-07-21 Carlos Bobed , Carlota Quintana , Eduardo Mena , Jorge Bobed , Fernando Bobillo