6974 search results - page 233 / 1395 » Querying Semi-Structured Data |
CIDR
2007
13 years 9 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
CCGRID
2004
IEEE
14 years 3 days ago
2004
IEEE
This paper is concerned with efficient querying of very large multi-resolution datasets on storage and compute clusters. We present a suite of services that support storage, index...
CIDR
2009
13 years 9 months ago
2009
Over the past 40 years, database management systems (DBMSs) have evolved to provide a sophisticated variety of data management capabilities. At the same time, tools for managing q...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
The ability to compute top-k matches to XML queries is gaining importance due to the increasing number of large XML repositories. The efficiency of top-k query evaluation relies o...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...