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SIGMOD
2010
ACM
173views Database» more  SIGMOD 2010»
15 years 4 months ago
PR-join: a non-blocking join achieving higher early result rate with statistical guarantees
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
Shimin Chen, Phillip B. Gibbons, Suman Nath
STOC
2001
ACM
134views Algorithms» more  STOC 2001»
15 years 12 months ago
Data-streams and histograms
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
Sudipto Guha, Nick Koudas, Kyuseok Shim
CORR
2004
Springer
127views Education» more  CORR 2004»
14 years 11 months ago
Monitoring, Analyzing, and Controlling Internet-scale Systems with ACME
Analyzing and controlling large distributed services under a wide range of conditions is difficult. Yet these capabilities are essential to a number of important development and o...
David L. Oppenheimer, Vitaliy Vatkovskiy, Hakim We...
ATMOS
2008
139views Optimization» more  ATMOS 2008»
15 years 1 months ago
Efficient On-Trip Timetable Information in the Presence of Delays
Abstract. The search for train connections in state-of-the-art commercial timetable information systems is based on a static schedule. Unfortunately, public transportation systems ...
Lennart Frede, Matthias Müller-Hannemann, Mat...
ISCI
2008
108views more  ISCI 2008»
14 years 11 months ago
Modeling and manipulating the structure of hierarchical schemas for the web
The Semantic Web is the next step of the current Web where information will become more machine-understandable to support effective data discovery and integration. Hierarchical sc...
Theodore Dalamagas, Alexandra Meliou, Timos K. Sel...