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» Nile: A Query Processing Engine for Data Streams
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MOBISYS
2007
ACM
16 years 4 months ago
A time-and-value centric provenance model and architecture for medical event streams
Provenance becomes a critical requirement for healthcare IT infrastructures, especially when pervasive biomedical sensors act as a source of raw medical streams for large-scale, a...
Min Wang, Marion Blount, John Davis, Archan Misra,...
ICDE
1999
IEEE
106views Database» more  ICDE 1999»
16 years 5 months ago
Processing Operations with Restrictions in RDBMS without External Sorting: The Tetris Algorithm
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
Volker Markl, Martin Zirkel, Rudolf Bayer
WEBDB
2005
Springer
102views Database» more  WEBDB 2005»
15 years 10 months ago
Design and Implementation of a Geographic Search Engine
In this paper, we describe the design and initial implementation of a geographic search engine prototype for Germany, based on a large crawl of the de domain. Geographic search en...
Alexander Markowetz, Yen-Yu Chen, Torsten Suel, Xi...
ICDM
2008
IEEE
142views Data Mining» more  ICDM 2008»
15 years 11 months ago
Clustering Events on Streams Using Complex Context Information
Monitoring applications play an increasingly important role in many domains. They detect events in monitored systems and take actions such as invoke a program or notify an adminis...
YongChul Kwon, Wing Yee Lee, Magdalena Balazinska,...
FSTTCS
2010
Springer
15 years 2 months ago
Expressiveness of streaming string transducers
Streaming string transducers [1] define (partial) functions from input strings to output strings. A streaming string transducer makes a single pass through the input string and us...
Rajeev Alur, Pavol Cerný