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» Applications of PCF Theory
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SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
14 years 9 months ago
Dictionary-based order-preserving string compression for main memory column stores
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
Carsten Binnig, Stefan Hildenbrand, Franz Fär...
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
14 years 9 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
PODS
2001
ACM
190views Database» more  PODS 2001»
14 years 9 months ago
On the Effects of Dimensionality Reduction on High Dimensional Similarity Search
The dimensionality curse has profound e ects on the effectiveness of high-dimensional similarity indexing from the performance perspective. One of the well known techniques for im...
Charu C. Aggarwal
PODS
2001
ACM
148views Database» more  PODS 2001»
14 years 9 months ago
On the Design and Quantification of Privacy Preserving Data Mining Algorithms
The increasing ability to track and collect large amounts of data with the use of current hardware technology has lead to an interest in the development of data mining algorithms ...
Dakshi Agrawal, Charu C. Aggarwal
PODS
2006
ACM
137views Database» more  PODS 2006»
14 years 9 months ago
Data exchange: computing cores in polynomial time
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
Georg Gottlob, Alan Nash