374 search results - page 5 / 75 » Evaluating path queries over route collections |
BNCOD
2009
13 years 8 months ago
2009
We study the expressiveness of a positive fragment of path queries, denoted Path+ , on node-labeled trees documents. The expressiveness of Path+ is studied from two angles. First, ...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—We study the problem of supporting VoIP calls in a wireless mesh network. Specifically, we propose solutions for call admission control (CAC) and route selection for VoIP calls...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
We address the problem of efficiently constructing materialized XML views of relational databases. In our setting, the XML view is specified by a query in the declarative query la...
BNCOD
2008
13 years 8 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
This paper addresses the challenging problem of similarity search over widely distributed ultra-high dimensional data. Such an application is retrieval of the top-k most similar d...