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VLDB
2002
ACM
106views Database» more  VLDB 2002»
15 years 6 months ago
Efficient Algorithms for Processing XPath Queries
Our experimental analysis of several popular XPath processors reveals a striking fact: Query evaluation in each of the systems requires time exponential in the size of queries in ...
Georg Gottlob, Christoph Koch, Reinhard Pichler
AIRS
2005
Springer
15 years 12 months ago
A Query-by-Singing Technique for Retrieving Polyphonic Objects of Popular Music
This paper investigates the problem of retrieving popular music by singing. In contrast to the retrieval of MIDI music, which is easy to acquire the main melody by the selection of...
Hung-Ming Yu, Wei-Ho Tsai, Hsin-Min Wang
ICDE
2005
IEEE
107views Database» more  ICDE 2005»
16 years 7 months ago
Spatiotemporal Annotation Graph (STAG): A Data Model for Composite Digital Objects
In this demonstration, we present a database over complex documents, which, in addition to a structured text content, also has update information, annotations, and embedded object...
Smriti Yamini, Amarnath Gupta
ICIP
2005
IEEE
16 years 8 months ago
Comparative study: face recognition on unspecific persons using linear subspace methods
Recently many Automatic Face Recognition (AFR) systems were developed for applications with unspecific persons, which is different from conventional pattern recognition problems wh...
Dahua Lin, Shuicheng Yan, Xiaoou Tang
DAWAK
2008
Springer
15 years 8 months ago
Mining Conditional Cardinality Patterns for Data Warehouse Query Optimization
Abstract. Data mining algorithms are often embedded in more complex systems, serving as the provider of data for internal decision making within these systems. In this paper we add...
Mikolaj Morzy, Marcin Krystek