2492 search results - page 465 / 499 » On the General Signature Trees |
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
As critical records are increasingly stored in electronic form, which tends to make for easy destruction and clandestine modification, it is imperative that they be properly manag...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
PODS
2006
ACM
14 years 9 months ago
2006
ACM
Given a document D in the form of an unordered labeled tree, we study the expressibility on D of various fragments of XPath, the core navigational language on XML documents. We gi...
ICIAP
2007
ACM
14 years 9 months ago
2007
ACM
This work is about a novel methodology for window detection in urban environments and its multiple use in vision system applications. The presented method for window detection inc...