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Web development is a challenging research area for its creativity and complexity. The existing raised key challenge in web technology technologic development is the presentation of data in machine read and process able format to take…

Artificial Intelligence · Computer Science 2010-08-10 Zeeshan Ahmed , Detlef Gerhard

Retrieval-Augmented Generation (RAG) systems depend on the geometric properties of vector representations to retrieve contextually appropriate evidence. When source documents interleave multiple topics within contiguous text, standard…

Artificial Intelligence · Computer Science 2026-04-21 Nick Loghmani

This paper is a short description of an information retrieval system enhanced by three model driven retrieval services: (1) co-word analysis based query expansion, re-ranking via (2) Bradfordizing and (3) author centrality. The different…

Information Retrieval · Computer Science 2017-05-03 Philipp Schaer , Philipp Mayr , Peter Mutschke

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

Thinking of todays web search scenario which is mainly keyword based, leads to the need of effective and meaningful search provided by Semantic Web. Existing search engines are vulnerable to provide relevant answers to users query due to…

Information Retrieval · Computer Science 2013-11-26 Debajyoti Mukhopadhyay , Manoj Sharma , Gajanan Joshi , Trupti Pagare , Adarsha Palwe

In this work several semantic approaches to concept-based query expansion and reranking schemes are studied and compared with different ontology-based expansion methods in web document search and retrieval. In particular, we focus on…

Information Retrieval · Computer Science 2017-01-20 Valentina Franzoni , Yuanxi Li , Clement H. C. Leung , Alfredo Milani

Presently, a very large number of public and private data sets are available around the local governments. In most cases, they are not semantically interoperable and a huge human effort is needed to create integrated ontologies and…

Databases · Computer Science 2020-05-11 Pierfrancesco Bellini , Paolo Nesi , Nadia Rauch

Named entities and WordNet words are important in defining the content of a text in which they occur. Named entities have ontological features, namely, their aliases, classes, and identifiers. WordNet words also have ontological features,…

Information Retrieval · Computer Science 2018-07-19 Vuong M. Ngo , Tru H. Cao

Searching for appropriate web services on the internet is becoming more and more laborious, because it depends on human processing and evaluating of the available web services in UDDI repositories. Furthermore, if the requester language is…

Software Engineering · Computer Science 2015-07-21 Abdelrahman Abbas Ibrahim , Nael Salman

When using the electronic map, POI retrieval is the initial and important step, whose quality directly affects the user experience. Similarity between user query and POI information is the most critical feature in POI retrieval. An accurate…

Information Retrieval · Computer Science 2019-03-19 Ji Zhao , Meiyu Yu , Huan Chen , Boning Li , Lingyu Zhang , Qi Song , Li Ma , Hua Chai , Jieping Ye

Search Engine has become a major tool for searching any information from the World Wide Web (WWW). While searching the huge digital library available in the WWW, every effort is made to retrieve the most relevant results. But in WWW…

Information Retrieval · Computer Science 2011-09-26 Debajyoti Mukhopadhyay , Sukanta Sinha

Centralized search engines are key for the Internet, but lead to undesirable concentration of power. Decentralized alternatives fail to offer equal document retrieval accuracy and speed. Nevertheless, Semantic Overlay Networks can come…

Information Retrieval · Computer Science 2025-02-19 Petru Neague , Quinten Stokkink , Naman Goel , Johan Pouwelse

While contemporary semantic search systems offer to improve classical keyword-based search, they are not always adequate for complex domain specific information needs. The domain of prescription drug abuse, for example, requires knowledge…

Information Retrieval · Computer Science 2014-11-17 Delroy Cameron , Amit Sheth , Nishita Jaykumar , Krishnaprasad Thirunarayan , Gaurish Anand , Gary A. Smith

Every business needs knowledge about their competitors to survive better. One of the information repositories is web. Retrieving Specific information from the web is challenging. An Ontological model is developed to capture specific…

Information Retrieval · Computer Science 2011-09-07 A. Martin , D. Maladhy , V. Prasanna Venkatesan

Due to the large volume of data and information generated by a multitude of social data sources, it is a huge challenge to manage and extract useful knowledge, especially given the different forms of data, streaming data and uncertainty and…

Databases · Computer Science 2021-05-10 Bilal Abu-Salih , Pornpit Wongthongtham , Dengya Zhu , Kit Yan Chan , Amit Rudra

This paper addresses the harmonization of metadata from diverse repositories of language resources (LRs). Leveraging linked data and RDF techniques, we integrate data from multiple sources into a unified model based on DCAT and META-SHARE…

Computation and Language · Computer Science 2025-01-13 Zixuan Liang

Massive amount of data that are geo-tagged and associated with text information are being generated at an unprecedented scale in many emerging applications such as location based services and social networks. Due to their importance, a…

Databases · Computer Science 2018-05-08 Chengyuan Zhang , Lei Zhu , Weiren Yu , Jun Long , Fang Huang , Hongbo Zhao

Spatial ecological networks are widely used to model interactions between georeferenced biological entities (e.g., populations or communities). The analysis of such data often leads to a two-step approach where groups containing similar…

Applications · Statistics 2014-02-24 Vincent Miele , Franck Picard , Stéphane Dray

Developing the capacity to effectively search for requisite datasets is an urgent requirement to assist data users in identifying relevant datasets considering the very limited available metadata. For this challenge, the utilization of…

Information Retrieval · Computer Science 2024-10-08 Teruaki Hayashi , Hiroki Sakaji , Jiayi Dai , Randy Goebel

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

Computation and Language · Computer Science 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang
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