Results 211 to 220 of about 17,095 (248)
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Searching activity trajectory with keywords
World Wide Web, 2018Driven by the advances in location positioning techniques and the popularity of location sharing services, semantic enriched trajectory data has become unprecedentedly available. While finding relevant Point-of-Interests (PoIs) based on users’ locations and query keywords has been extensively studied in the past years, it is, however, largely untouched
Bolong Zheng +5 more
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Negation in Relational Keyword Search
2019Keyword search in relational databases frees users from writing complicated SQL queries. However, negation is still not allowed in keyword queries, limiting its expressiveness. This work addresses the problem of supporting negation in keyword queries. Our solution considers the keyword matches and the scope of negation.
Qiao Gao, Mong-Li Lee, Tok Wang Ling
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Oblivious Conjunctive Keyword Search
2006We study the problem of keyword search in which a server contains various multimedia contents and a user of server wishes to retrieve some multimedia item containing specific keywords without revealing to the server which item it is. Recently, Ogata and Kurosawa introduced an interesting keyword search scheme called oblivious keyword search by using ...
Hyun Sook Rhee +3 more
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2005
Abstract Many of the Eureka, First Search, Wilson Web, EBSCO Host, and other commercially available databases discussed in the previous chapter, like the library’s book catalog, are of the subject-heading or controlled vocabulary type.
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Abstract Many of the Eureka, First Search, Wilson Web, EBSCO Host, and other commercially available databases discussed in the previous chapter, like the library’s book catalog, are of the subject-heading or controlled vocabulary type.
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2015
In this paper, we propose Geo-Social Keyword (GSK) search, which enables the retrieval of users, points of interest (POIs), or keywords that satisfy geographic, social, and/or textual criteria. We first introduce a general GSK framework that covers a wide range of real-world tasks, including advertisement, context-based search, and market analysis ...
Ritesh Ahuja +3 more
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In this paper, we propose Geo-Social Keyword (GSK) search, which enables the retrieval of users, points of interest (POIs), or keywords that satisfy geographic, social, and/or textual criteria. We first introduce a general GSK framework that covers a wide range of real-world tasks, including advertisement, context-based search, and market analysis ...
Ritesh Ahuja +3 more
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Keyword-Centric Community Search
2019 IEEE 35th International Conference on Data Engineering (ICDE), 2019Community search that finds only the communities pertaining to the query input has been widely studied from simple graphs to attributed graphs. However, a significant limitation of previous studies is that they all require the input of query nodes, which makes it difficult for users to specify exact queries if they are unfamiliar with the queried graph.
Zhiwei Zhang 0002 +4 more
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Keyword Search on Spatial Databases
2008 IEEE 24th International Conference on Data Engineering, 2008Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a set of keywords. In return, the user obtains a list of businesses whose description contains these keywords, ordered by their distance from the specified address.
Ian De Felipe +2 more
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Towards heterogeneous keyword search
Proceedings of the ACM Turing 50th Celebration Conference - China, 2017Keyword search is a widely popular mechanism for query processing that alleviates users from understanding complex data structures and learning query languages. Existing keyword search systems are designed and tuned for one specific data model. In big data era, data is usually resident in heterogeneous data sources including unstructured data, semi ...
Chunbin Lin +2 more
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A Survey on XML Keyword Search
2011Keyword search querying has emerged as one of the most effective paradigms for information discovery, especially over HTML documents in the World Wide Web and much work has been done in this domain. Specifically, With the increasing application of XML in web, the study on XML keyword search has been gaining growing attention of the researchers.
Zongqi Tian, Jiaheng Lu, Deying Li 0001
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Keyword search in relational databases
Knowledge and Information Systems, 2010This paper surveys research on enabling keyword search in relational databases. We present fundamental characteristics and discuss research dimensions, including data representation, ranking, efficient processing, query representation, and result presentation.
Jaehui Park, Sang-goo Lee
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