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» Answering relationship queries on the web
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ISPA
2005
Springer
15 years 5 months ago
CMSA: A Method for Construction and Maintenance of Semantic Annotations
An important precondition for the success of the Semantic Web is founded on the principle that the content of web pages will be semantically annotated. In this paper, we propose a ...
Lixin Han, Guihai Chen, Linping Sun, Li Xie
AMW
2009
15 years 1 months ago
Identifying Algebraic Properties to Support Optimization of Unary Similarity Queries
Conventional operators for data retrieval are either based on exact matching or on total order relationship among elements. Neither of them is appropriate to manage complex data, s...
Mônica Ribeiro Porto Ferreira, Agma J. M. Tr...
ICDE
2011
IEEE
263views Database» more  ICDE 2011»
14 years 3 months ago
Adding regular expressions to graph reachability and pattern queries
—It is increasingly common to find graphs in which edges bear different types, indicating a variety of relationships. For such graphs we propose a class of reachability queries ...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Ying...
IADIS
2003
15 years 1 months ago
Querying Databases and XML Documents: Comparative Study and a New Proposal
XML has become the most useful standard of data interchange in the web and e-business world and there is a large amount of information stored in this format. Nonetheless, a large ...
Ana Fermoso García, María José...
KDD
2004
ACM
139views Data Mining» more  KDD 2004»
16 years 8 days ago
Machine learning for online query relaxation
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
Ion Muslea