664 search results - page 58 / 133 » Answering order-based queries over XML data |
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
INEX
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. The widespread adoption of XML necessitates structureaware systems that can effectively retrieve information from XML document collections. This paper reports on the par...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Maintaining materialized views that have join conditions between arbitrary pairs of data sources possibly with cycles is critical for many applications. In this work, we model vie...
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...