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» On the Estimation of Join Result Sizes
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ADBIS
2000
Springer
103views Database» more  ADBIS 2000»
13 years 9 months ago
Size Estimation of the Intersection Join between Two Line Segment Datasets
Abstract. In this paper we provide a theoretical framework for estimating the size of the intersection join between two line segment datasets (e.g., roads, railways, utilities). Fo...
Enrico Nardelli, Guido Proietti
IIS
2004
13 years 6 months ago
Query Selectivity Estimation via Data Mining
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
Jarek Gryz, Dongming Liang
VLDB
1989
ACM
140views Database» more  VLDB 1989»
13 years 9 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
ICDE
2006
IEEE
148views Database» more  ICDE 2006»
13 years 11 months ago
Estimating XML Structural Join Size Quickly and Economically
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...
Cheng Luo, Zhewei Jiang, Wen-Chi Hou, Feng Yan, Ch...
CORR
2011
Springer
186views Education» more  CORR 2011»
12 years 12 months ago
Similarity Join Size Estimation using Locality Sensitive Hashing
Similarity joins are important operations with a broad range of applications. In this paper, we study the problem of vector similarity join size estimation (VSJ). It is a generali...
Hongrae Lee, Raymond T. Ng, Kyuseok Shim