Sciweavers

540 search results - page 31 / 108
» Efficient Similarity Search for Hierarchical Data in Large D...
Sort
View
GIS
2006
ACM
15 years 10 months ago
Efficient position-independent iconic search using an R-theta index
An iconic image database is a collection of symbolic images where each image is a collection of labeled point features called icons. A method is presented to support fast position...
Charles Ben Cranston, Hanan Samet
SIGMOD
2008
ACM
103views Database» more  SIGMOD 2008»
15 years 10 months ago
XArch: archiving scientific and reference data
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
Heiko Müller, Ioannis Koltsidas, Peter Bunema...
ICDE
2000
IEEE
96views Database» more  ICDE 2000»
15 years 11 months ago
Dynamic Miss-Counting Algorithms: Finding Implication and Similarity Rules with Confidence Pruning
Dynamic Miss-Countingalgorithms are proposed, which find all implication and similarity rules with confidence pruning but without support pruning. To handle data sets with a large...
Shinji Fujiwara, Jeffrey D. Ullman, Rajeev Motwani
KDD
2007
ACM
165views Data Mining» more  KDD 2007»
15 years 10 months ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
SISAP
2008
IEEE
147views Data Mining» more  SISAP 2008»
15 years 4 months ago
An Empirical Evaluation of a Distributed Clustering-Based Index for Metric Space Databases
Similarity search has been proved suitable for searching in very large collections of unstructured data objects. We are interested in efficient parallel query processing under si...
Veronica Gil Costa, Mauricio Marín, Nora Re...