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» Query Processing and Optimization for Pictorial Query Trees
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EDBT
2010
ACM
189views Database» more  EDBT 2010»
15 years 3 months ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
SIGMOD
2009
ACM
184views Database» more  SIGMOD 2009»
15 years 10 months ago
Minimizing the communication cost for continuous skyline maintenance
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
Zhenjie Zhang, Reynold Cheng, Dimitris Papadias, A...
SSD
2009
Springer
167views Database» more  SSD 2009»
15 years 4 months ago
Continuous Spatial Authentication
Recent advances in wireless communications and positioning devices have generated a tremendous amount of interest in the continuous monitoring of spatial queries. However, such app...
Stavros Papadopoulos, Yin Yang, Spiridon Bakiras, ...
SIGMOD
1998
ACM
117views Database» more  SIGMOD 1998»
15 years 2 months ago
The Pyramid-Technique: Towards Breaking the Curse of Dimensionality
In this paper, we propose the Pyramid-Technique, a new indexing method for high-dimensional data spaces. The PyramidTechnique is highly adapted to range query processing using the...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
AIIDE
2008
15 years 10 days ago
Dynamic Expansion of Behaviour Trees
Artificial intelligence in games is typically used for creating player's opponents. Manual edition of intelligent behaviors for Non-Player Characters (NPCs) of games is a cum...
Gonzalo Flórez Puga, Marco Antonio Gó...