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» Answering Queries Using Views
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ICDE
2008
IEEE
146views Database» more  ICDE 2008»
16 years 5 months ago
Explaining and Reformulating Authority Flow Queries
Authority flow is an effective ranking mechanism for answering queries on a broad class of data. Systems have been developed to apply this principle on the Web (PageRank and topic ...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
JAIR
2011
138views more  JAIR 2011»
14 years 11 months ago
Identifying Aspects for Web-Search Queries
Many web-search queries serve as the beginning of an exploration of an unknown space of information, rather than looking for a specific web page. To answer such queries effectiv...
Fei Wu, Jayant Madhavan, Alon Y. Halevy
SIGMOD
2005
ACM
155views Database» more  SIGMOD 2005»
16 years 4 months ago
On Boosting Holism in XML Twig Pattern Matching using Structural Indexing Techniques
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
Ting Chen, Jiaheng Lu, Tok Wang Ling
OTM
2007
Springer
15 years 10 months ago
Fuzzy-DL Reasoning over Unknown Fuzzy Degrees
In this paper we describe a fuzzy Description Logic reasoner which implements resolution in order to provide reasoning services for expressive fuzzy DLs. The main innovation of thi...
Stasinos Konstantopoulos, Georgios Apostolikas
148
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CSL
2003
Springer
15 years 9 months ago
Automata on Lempel-ziv Compressed Strings
Using the Lempel-Ziv-78 compression algorithm to compress a string yields a dictionary of substrings, i.e. an edge-labelled tree with an order-compatible enumeration, here called a...
Hans Leiß, Michel de Rougemont