Document (#37432)

Author
Zenz, G.
Zhou, X.
Minack, E.
Siberski, W.
Nejdl, W.
Title
Interactive query construction for keyword search on the Semantic Web
Source
Semantic search over the Web. Eds.: R. De Virgilio, et al
Imprint
Berlin : Springer
Year
2012
Pages
S.109-130
Series
Data-centric systems and applications
Abstract
With the advance of the semantic Web, increasing amounts of data are available in a structured and machine-understandable form. This opens opportunities for users to employ semantic queries instead of simple keyword-based ones to accurately express the information need. However, constructing semantic queries is a demanding task for human users [11]. To compose a valid semantic query, a user has to (1) master a query language (e.g., SPARQL) and (2) acquire sufficient knowledge about the ontology or the schema of the data source. While there are systems which support this task with visual tools [21, 26] or natural language interfaces [3, 13, 14, 18], the process of query construction can still be complex and time consuming. According to [24], users prefer keyword search, and struggle with the construction of semantic queries although being supported with a natural language interface. Several keyword search approaches have already been proposed to ease information seeking on semantic data [16, 32, 35] or databases [1, 31]. However, keyword queries lack the expressivity to precisely describe the user's intent. As a result, ranking can at best put query intentions of the majority on top, making it impossible to take the intentions of all users into consideration.
Theme
Semantic Web
Semantisches Umfeld in Indexierung u. Retrieval

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  5. Jiang, Y.; Zheng, H.-T.; Wang, X.; Lu, B.; Wu, K.: Affiliation disambiguation for constructing semantic digital libraries (2011) 0.26
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