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SIGMOD
2010
ACM
173views Database» more  SIGMOD 2010»
15 years 6 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»
16 years 2 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»
15 years 1 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 3 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»
15 years 1 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...