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ENTCS
2008
153views more  ENTCS 2008»
13 years 8 months ago
Efficient Conflict Detection in Graph Transformation Systems by Essential Critical Pairs
The well-known notion of critical pairs already allows a static conflict detection, which is important for all kinds of applications and already implemented in AGG. Unfortunately ...
Leen Lambers, Hartmut Ehrig, Fernando Orejas
DKE
2008
79views more  DKE 2008»
13 years 8 months ago
Extracting k most important groups from data efficiently
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
Man Lung Yiu, Nikos Mamoulis, Vagelis Hristidis
SIGMOD
2006
ACM
149views Database» more  SIGMOD 2006»
14 years 9 months ago
Efficient query processing on unstructured tetrahedral meshes
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
Stratos Papadomanolakis, Anastassia Ailamaki, Juli...
MOBIHOC
2003
ACM
14 years 8 months ago
Connected sensor cover: self-organization of sensor networks for efficient query execution
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
Himanshu Gupta, Samir R. Das, Quinyi Gu
ICCAD
2009
IEEE
106views Hardware» more  ICCAD 2009»
13 years 6 months ago
An efficient pre-assignment routing algorithm for flip-chip designs
The flip-chip package is introduced for modern IC designs with higher integration density and larger I/O counts. In this paper, we consider the pre-assignment flip-chip routing pr...
Po-Wei Lee, Chung-Wei Lin, Yao-Wen Chang, Chin-Fan...