Light-weight domain-based form assistant: Querying Web databases on the fly

Zhen Zhang, Bin He, Kevin Chen-Chuan Chang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Web has been rapidly "deepened" by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative "deep Web" sources in the same domain (e.g., Books, Airfares) is an important task with broad applications. As a core component of those applications, dynamic query translation (i.e., translating a user's query across dynamically selected sources) has not been extensively explored. While existing works focus on isolated subproblems (e.g., schema matching, query rewriting) to study, we target at building a complete query translator and thus face new challenges: 1) To complete the translator, we need to solve the predicate mapping problem (i.e., map a source predicate to target predicates), which is largely unexplored by existing works; 2) To satisfy our application requirements, we need to design a customizable system architecture to assemble various components addressing respective subproblems (i.e., schema matching, predicate mapping, query rewriting). Tackling these challenges, we develop a light-weight domain-based form assistant, which can generally handle alternative sources in the same domain and is easily customizable to new domains. Our experiment shows the effectiveness of our form assistant in translating queries for real Web sources.

Original languageEnglish (US)
Title of host publicationVLDB 2005 - Proceedings of 31st International Conference on Very Large Data Bases
Pages97-108
Number of pages12
StatePublished - Dec 1 2005
EventVLDB 2005 - 31st International Conference on Very Large Data Bases - Trondheim, Norway
Duration: Aug 30 2005Sep 2 2005

Publication series

NameVLDB 2005 - Proceedings of 31st International Conference on Very Large Data Bases
Volume1

Other

OtherVLDB 2005 - 31st International Conference on Very Large Data Bases
CountryNorway
CityTrondheim
Period8/30/059/2/05

ASJC Scopus subject areas

  • Engineering(all)

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