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WAIM
2004
Springer
15 years 12 months ago
Estimating the Selectivity of XML Path Expression with Predicates by Histograms
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
Yu Wang, Haixun Wang, Xiaofeng Meng, Shan Wang
XSYM
2004
Springer
88views Database» more  XSYM 2004»
15 years 12 months ago
Teaching Relational Optimizers About XML Processing
Due to their numerous benefits, relational systems play a major role in storing XML documents. XML also benefits relational systems by providing a means to publish legacy relatio...
Sihem Amer-Yahia, Yannis Kotidis, Divesh Srivastav...
SSDBM
2003
IEEE
95views Database» more  SSDBM 2003»
15 years 12 months ago
A Quad-Tree Based Multiresolution Approach for Two-dimensional Summary Data
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
ICPR
2000
IEEE
15 years 11 months ago
Database Architecture for Autonomous Transportation Agents for On-Scene Networked Incident Management (ATON)
A collection of distributed databases forms an important architectural component of the ATON project for networked incidence management of highway traffic. The database sub-archit...
Mohan M. Trivedi, Shailendra K. Bhonsle, Amarnath ...
SSDBM
2000
IEEE
86views Database» more  SSDBM 2000»
15 years 11 months ago
Serving Datacube Tuples from Main Memory
Existing datacube precompuatation schemes materialize selected datacube tuples on disk, choosing the most beneficial cuboids (i.e., combinations of dimensions) to materialize giv...
Kenneth A. Ross, Kazi A. Zaman