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ICDT
2001
ACM
116views Database» more  ICDT 2001»
15 years 11 months ago
On Optimizing Nearest Neighbor Queries in High-Dimensional Data Spaces
Abstract. Nearest-neighbor queries in high-dimensional space are of high importance in various applications, especially in content-based indexing of multimedia data. For an optimiz...
Stefan Berchtold, Christian Böhm, Daniel A. K...
VLDB
1994
ACM
114views Database» more  VLDB 1994»
15 years 10 months ago
Including Group-By in Query Optimization
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
Surajit Chaudhuri, Kyuseok Shim
VLDB
1989
ACM
140views Database» more  VLDB 1989»
15 years 10 months ago
The Effect of Bucket Size Tuning in the Dynamic Hybrid GRACE Hash Join Method
In this paper, we show detailed analysis and performance evaluation of the Dynamic Hybrid GRACE Hash Join Method (DHGH Method) when the tuple distribution in buckets is unbalanced...
Masaru Kitsuregawa, Masaya Nakayama, Mikio Takagi
3DPVT
2004
IEEE
185views Visualization» more  3DPVT 2004»
15 years 10 months ago
Adaptive Space Carving
In this work, we present an adaptive space carving method for scene reconstruction from a set of images obtained from low cost calibrated webcams. Our method uses a combination of...
Anselmo Antunes Montenegro, Paulo Cezar Pinto Carv...
WFLP
2000
Springer
124views Algorithms» more  WFLP 2000»
15 years 10 months ago
A Formal Approach to Reasoning about the Effectiveness of Partial Evaluation
We introduce a framework for assessing the effectiveness of partial evaluators in functional logic languages. Our framework is based on properties of the rewrite system that models...
Elvira Albert, Sergio Antoy, Germán Vidal