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PODS
2005
ACM
211views Database» more  PODS 2005»
16 years 6 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...
PODS
2007
ACM
159views Database» more  PODS 2007»
16 years 6 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
EDBT
2006
ACM
120views Database» more  EDBT 2006»
16 years 6 months ago
Similarity Search on Time Series Based on Threshold Queries
Similarity search in time series data is required in many application fields. The most prominent work has focused on similarity search considering either complete time series or si...
Johannes Aßfalg, Hans-Peter Kriegel, Peer Kr...
EDBT
2006
ACM
122views Database» more  EDBT 2006»
16 years 6 months ago
TQuEST: Threshold Query Execution for Large Sets of Time Series
Effective and efficient data mining in time series databases is essential in many application domains as for instance in financial analysis, medicine, meteorology, and environmenta...
Johannes Aßfalg, Hans-Peter Kriegel, Peer Kr...
ICSE
2003
IEEE-ACM
16 years 6 months ago
Source Viewer 3D (sv3D) - A Framework for Software Visualization
2. Support for User Interaction Source Viewer 3D is a software visualization framework that uses a 3D metaphor to represent software system and analysis data. The 3D representation...
Jonathan I. Maletic, Andrian Marcus, Louis Feng
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