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DEEC
2007
IEEE
16 years 1 months ago
DeepBot: a focused crawler for accessing hidden web content
The crawler engines of today cannot reach most of the information contained in the Web. A great amount of valuable information is "hidden" behind the query forms of onli...
Manuel Álvarez, Juan Raposo, Alberto Pan, F...
SIGMOD
2008
ACM
164views Database» more  SIGMOD 2008»
16 years 6 months ago
Finding frequent items in probabilistic data
Computing statistical information on probabilistic data has attracted a lot of attention recently, as the data generated from a wide range of data sources are inherently fuzzy or ...
Qin Zhang, Feifei Li, Ke Yi
DAWAK
2004
Springer
15 years 10 months ago
Space-Efficient Range-Sum Queries in OLAP
Abstract. In this paper, we present a fast algorithm to answer rangesum queries in OLAP data cubes. Our algorithm supports constanttime queries while maintaining sub-linear time up...
Fredrik Bengtsson, Jingsen Chen
EUROSSC
2006
Springer
15 years 10 months ago
Context Delivery in Ad Hoc Networks Using Enhanced Gossiping Algorithms
Abstract. The dissemination of context data across a pervasive environment has proven to be a difficult problem. Techniques using gossiping algorithms offer simplicity and flexibil...
Syarulnaziah Anawar, Lorcan Coyle, Simon Dobson, P...
EDBT
2012
ACM
308views Database» more  EDBT 2012»
13 years 9 months ago
Transactional stream processing
Many stream processing applications require access to a multitude of streaming as well as stored data sources. Yet there is no clear semantics for correct continuous query executi...
Irina Botan, Peter M. Fischer, Donald Kossmann, Ne...