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» Processing Queries in a Large Peer-to-Peer System
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SQJ
2010
152views more  SQJ 2010»
13 years 6 months ago
Design pattern evolutions in QVT
One of the main goals of design patterns is to design for change. Many design patterns leave some room for future changes and evolutions. The application of design patterns leads ...
Jing Dong, Yajing Zhao, Yongtao Sun
CAEPIA
2003
Springer
14 years 26 days ago
A Model for Fuzzy Temporal Reasoning on a Database
In decision support systems for Intensive Care Units (ICU), the data management subsystem plays an essential role since the data have a heterogeneous origin. The temporal dimension...
Manuel Campos, José Palma, Roque Marí...
SIGMOD
2010
ACM
173views Database» more  SIGMOD 2010»
14 years 14 days 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
SIGMOD
2009
ACM
191views Database» more  SIGMOD 2009»
14 years 7 months ago
Scalable skyline computation using object-based space partitioning
The skyline operator returns from a set of multi-dimensional objects a subset of superior objects that are not dominated by others. This operation is considered very important in ...
Shiming Zhang, Nikos Mamoulis, David W. Cheung
LWA
2008
13 years 9 months ago
Enhanced Services for Targeted Information Retrieval by Event Extraction and Data Mining
Where Information Retrieval (IR) and Text Categorization delivers a set of (ranked) documents according to a query, users of large document collections would rather like to receiv...
Felix Jungermann, Katharina Morik