109 search results - page 15 / 22 » New Rewritings and Optimizations for Regular Path Queries |
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
—Large graphs are used in many applications, such as social networking. The management of these graphs poses new challenges because such graphs are too large to fit on a single ...
ICML
2005
IEEE
14 years 8 months ago
2005
IEEE
Hidden Markov Models (HMMs) model sequential data in many fields such as text/speech processing and biosignal analysis. Active learning algorithms learn faster and/or better by cl...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
ICALP
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
JUCS
2008
13 years 7 months ago
2008
: Query transformation is a serious hurdle on semantic peer-to-peer environment. For interoperability between peers, queries sent from a source peer have to be efficiently transfor...