1434 search results - page 86 / 287 » Graph Searching with Advice |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Workflows are widely used for representing business processes, web services, scientific experiments, and activities in daily life, like recipes. There is an increasing need for peo...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Current keyword-oriented search engines for the World Wide Web do not allow specifying the semantics of queries. We address this limitation with NAGA1 , a new semantic search engi...
AAAI
1998
13 years 10 months ago
1998
The typical difficulty of various NP-hard problems varies with simple parameters describing their structure. This behavior is largely independent of the search algorithm, but depe...
APAL
2011
13 years 3 months ago
2011
We define a new NP search problem, the “local improvement” principle, about labellings of an acyclic, bounded-degree graph. We show that, provably in PV, it characterizes the...
WEBDB
2007
Springer
14 years 2 months ago
2007
Springer
Clustering web search engine results for ambiguous keyword searches poses unique challenges. First, we show that one cannot readily import the frequency based feature ranking to c...