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» Answering Queries using Humans, Algorithms and Databases
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108
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DOCENG
2009
ACM
15 years 10 months ago
On the analysis of queries with counting constraints
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
Everardo Bárcenas, Pierre Genevès, N...
166
Voted
TKDE
2010
160views more  TKDE 2010»
15 years 1 months ago
Using Proximity Search to Estimate Authority Flow
—Authority flow and proximity search have been used extensively in measuring the association between entities in data graphs, ranging from the Web to relational and XML database...
Vagelis Hristidis, Yannis Papakonstantinou, Ramakr...
152
Voted
BMCBI
2010
183views more  BMCBI 2010»
15 years 3 months ago
SING: Subgraph search In Non-homogeneous Graphs
Background: Finding the subgraphs of a graph database that are isomorphic to a given query graph has practical applications in several fields, from cheminformatics to image unders...
Raffaele Di Natale, Alfredo Ferro, Rosalba Giugno,...
JUCS
2007
122views more  JUCS 2007»
15 years 3 months ago
Efficient Access Methods for Temporal Interval Queries of Video Metadata
: Indexing video content is one of the most important problems in video databases. In this paper we present linear time and space algorithms for handling video metadata that repres...
Spyros Sioutas, Kostas Tsichlas, Bill Vassiliadis,...
96
Voted
SPIESR
1997
109views Database» more  SPIESR 1997»
15 years 4 months ago
FFT-Based Technique for Image-Signature Generation
In this paper we address image retrieval by similarity in multimedia databases. We discuss the generation and use of signatures computed from image content. The proposed technique...
Augusto Celentano, Vincenzo Di Lecce