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Compared with English, Chinese suffers from more grammatical ambiguities, like fuzzy word boundaries and polysemous words. In this case, contextual information is not sufficient to support Chinese named entity recognition (NER), especially…

Computation and Language · Computer Science 2022-10-25 Qinghua Mao , Jiatong Li , Kui Meng

The increase in the number of publications has made more difficult for authors to situate their work within previous literature, especially on subjects studied from different disciplinary viewpoints. Besides, new data analysis techniques…

Digital Libraries · Computer Science 2020-11-30 C. Cottineau , J. Raimbault , P. -O. Chasset , H. Commenges , A. Banos , D. Pumain

In this paper, we present the experimental work done on Query Expansion (QE) for retrieval tasks of Gujarati text documents. In information retrieval, it is very difficult to estimate the exact user need, query expansion adds terms to the…

Information Retrieval · Computer Science 2020-01-23 Hardik Joshi , Jyoti Pareek

Due to the advances in mobile computing and multimedia techniques, there are vast amount of multimedia data with geographical information collected in multifarious applications. In this paper, we propose a novel type of image search named…

Multimedia · Computer Science 2018-06-05 Jun Long , Lei Zhu , Chengyuan Zhang , Zhan Yang , Yunwu Lin , Ruipeng Chen

Based on integrated infrastructure of resource sharing and computing in distributed environment, cloud computing involves the provision of dynamically scalable and provides virtualized resources as services over the Internet. These…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-05-21 Wei Yu , Junpeng Chen

Conversational search systems enable information retrieval via natural language interactions, with the goal of maximizing users' information gain over multiple dialogue turns. The increasing prevalence of conversational interfaces adopting…

Computation and Language · Computer Science 2024-07-02 Phillip Schneider , Wessel Poelman , Michael Rovatsos , Florian Matthes

Due to the increasing storage data on Web Applications, it becomes very difficult to use only keyword-based searches to provide comprehensive search results, thus increasing the difficulty for web users to search information on the web. In…

Information Retrieval · Computer Science 2021-10-12 Ikechukwu Onyenwe , Stanley Ogbonna , Ebele Onyedimma , Onyedikachukwu Ikechukwu-Onyenwe , Chidinma Nwafor

Retrieval-Augmented Generation (RAG) systems typically treat documents as flat text, ignoring the structured metadata and linked relationships that knowledge graphs provide. In this paper, we investigate whether structured linked data,…

Information Retrieval · Computer Science 2026-03-12 Andrea Volpini , Elie Raad , Beatrice Gamba , David Riccitelli

Query expansion is the process of reformulating the original query by adding relevant words. Choosing which terms to add in order to improve the performance of the query expansion methods or to enhance the quality of the retrieved results…

Information Retrieval · Computer Science 2022-01-19 Farah Alshanik , Amy Apon , Yuheng Du , Alexander Herzog , Ilya Safro

Feature matching is a crucial technique in computer vision. A unified perspective for this task is to treat it as a searching problem, aiming at an efficient search strategy to narrow the search space to point matches between images. One of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Yesheng Zhang , Xu Zhao

This paper addresses the challenge of improving information retrieval from semi-structured eXtensible Markup Language (XML) documents. Traditional information retrieval systems (IRS) often overlook user-specific needs and return identical…

Information Retrieval · Computer Science 2026-03-24 Ounnaci Iddir , Ahmed-ouamer Rachid , Tai Dinh

Information-seeking conversation systems are increasingly popular in real-world applications, especially for e-commerce companies. To retrieve appropriate responses for users, it is necessary to compute the matching degrees between…

Computation and Language · Computer Science 2022-11-03 Haojie Pan , Cen Chen , Chengyu Wang , Minghui Qiu , Liu Yang , Feng Ji , Jun Huang

Semantic retrieval, which retrieves semantically matched items given a textual query, has been an essential component to enhance system effectiveness in e-commerce search. In this paper, we study the multimodal retrieval problem, where the…

Information Retrieval · Computer Science 2025-06-26 Zhigong Zhou , Ning Ding , Xiaochuan Fan , Yue Shang , Yiming Qiu , Jingwei Zhuo , Zhiwei Ge , Songlin Wang , Lin Liu , Sulong Xu , Han Zhang

Answering real-world geospatial questions--such as finding restaurants along a travel route or amenities near a landmark--requires reasoning over both geographic relationships and semantic user intent. However, existing large language…

Information Retrieval · Computer Science 2025-06-12 Dazhou Yu , Riyang Bao , Ruiyu Ning , Jinghong Peng , Gengchen Mai , Liang Zhao

Conversational search aims to satisfy users' complex information needs via multiple-turn interactions. The key challenge lies in revealing real users' search intent from the context-dependent queries. Previous studies achieve conversational…

Information Retrieval · Computer Science 2025-11-13 Fengran Mo , Jinghan Zhang , Yuchen Hui , Jia Ao Sun , Zhichao Xu , Zhan Su , Jian-Yun Nie

The query suggestion or auto-completion mechanisms help users to type less while interacting with a search engine. A basic approach that ranks suggestions according to their frequency in the query logs is suboptimal. Firstly, many candidate…

Information Retrieval · Computer Science 2013-12-06 Eugene Kharitonov , Craig Macdonald , Pavel Serdyukov , Iadh Ounis

Query Expansion using Pseudo Relevance Feedback is a useful and a popular technique for reformulating the query. In our proposed query expansion method, we assume that relevant information can be found within a document near the central…

Information Retrieval · Computer Science 2015-02-19 Rekha Vaidyanathan , Sujoy Das , Namita Srivastava

With the rapid growth of internet technologies, Web has become a huge repository of information and keeps growing exponentially under no editorial control. However the human capability to read, access and understand Web content remains…

Databases · Computer Science 2011-11-11 C. Ramesh , K. V. Chalapati Rao , A. Govardhan

CQA services are valuable sources of knowledge that can be used to find answers to users' information needs. In these services, question retrieval aims to help users with their information needs by finding similar questions to theirs.…

Information Retrieval · Computer Science 2024-11-26 Yasin Ghafourian , Sajad Movahedi , Azadeh Shakery

With the development of the Semantic Web technology, the use of ontologies to store and retrieve information covering several domains has increased. However, very few ontologies are able to cope with the ever-growing need of frequently…

Computation and Language · Computer Science 2020-04-24 Mohammed Maree , Mohammed Belkhatir