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125
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MOBIDE
2010
ACM
15 years 4 months ago
Direction-based spatial skylines
Traditional location-based services recommend nearest objects to the user by considering their spatial proximity. However, an object not only has its distance but also has its dir...
Xi Guo, Yoshiharu Ishikawa, Yunjun Gao
160
Voted
JODS
2006
131views Data Mining» more  JODS 2006»
15 years 3 months ago
Integrating and Exchanging XML Data Using Ontologies
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
Huiyong Xiao, Isabel F. Cruz
139
Voted
PVLDB
2008
122views more  PVLDB 2008»
15 years 3 months ago
Identifying robust plans through plan diagram reduction
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
Harish D., Pooja N. Darera, Jayant R. Haritsa
137
Voted
MICS
2010
137views more  MICS 2010»
15 years 2 months ago
Finding Range Minima in the Middle: Approximations and Applications
Abstract. A Range Minimum Query asks for the position of a minimal element between two specified array-indices. We consider a natural extension of this, where our further constrai...
Johannes Fischer, Volker Heun
132
Voted
HICSS
1999
IEEE
98views Biometrics» more  HICSS 1999»
15 years 8 months ago
Retrieval of Volatile Database Output through Hypermedia Applications
This paper reports on research on the generation of hypermedia (Web) applications for querying multimedia databases. In [5] we have proposed a heuristic algorithm for generating n...
Geert-Jan Houben, Paul De Bra