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» Answering Queries using Humans, Algorithms and Databases
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ASUNAM
2011
IEEE
14 years 1 months ago
Probabilistic Subgraph Matching on Huge Social Networks
—Users querying massive social networks or RDF databases are often not 100% certain about what they are looking for due to the complexity of the query or heterogeneity of the dat...
Matthias Bröcheler, Andrea Pugliese, V. S. Su...
MFCS
2009
Springer
15 years 8 months ago
Query Automata for Nested Words
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We deï...
P. Madhusudan, Mahesh Viswanathan
EDBT
2008
ACM
102views Database» more  EDBT 2008»
16 years 2 months ago
Summary management in P2P systems
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffici...
Rabab Hayek, Guillaume Raschia, Patrick Valduriez,...
VLDB
2005
ACM
185views Database» more  VLDB 2005»
16 years 2 months ago
Storing and querying XML data using denormalized relational databases
XML database systems emerge as a result of the acceptance of the XML data model. Recent works have followed the promising approach of building XML database management systems on un...
Andrey Balmin, Yannis Papakonstantinou
SSD
1995
Springer
97views Database» more  SSD 1995»
15 years 5 months ago
Ranking in Spatial Databases
Abstract. An algorithm for ranking spatial objects according to increasing distance from a query object is introduced and analyzed. The algorithm makes use of a hierarchical spatia...
Gísli R. Hjaltason, Hanan Samet