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IWDC
2004
Springer
139views Communications» more  IWDC 2004»
16 years 7 days ago
Statistical Analysis of a P2P Query Graph Based on Degrees and Their Time-Evolution
Abstract. Despite their crucial impact on the performances of p2p systems, very few is known on peers behaviors in such networks. We propose here a study of these behaviors in a ru...
Jean-Loup Guillaume, Matthieu Latapy, Stevens Le-B...
WMCSA
2002
IEEE
15 years 11 months ago
Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
Samuel Madden, Robert Szewczyk, Michael J. Frankli...
ADC
2000
Springer
82views Database» more  ADC 2000»
15 years 11 months ago
Querying Databases of Annotated Speech
Annotated speech corpora are databases consisting of signal data along with time-aligned symbolic ‘transcriptions’. Such databases are typically multidimensional, heterogeneou...
Steve Cassidy, Steven Bird
PODS
1998
ACM
116views Database» more  PODS 1998»
15 years 11 months ago
Complexity of Answering Queries Using Materialized Views
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
Serge Abiteboul, Oliver M. Duschka
EDBTW
2006
Springer
15 years 10 months ago
A Calculus for Propagating Semantic Annotations Through Scientific Workflow Queries
Scientific workflows facilitate automation, reuse, and reproducibility of scientific data management and analysis tasks. Scientific workflows are often modeled as dataflow networks...
Shawn Bowers, Bertram Ludäscher