10 search results - page 2 / 2 » Containment of Partially Specified Tree-Pattern Queries |
VLDB
2002
ACM
13 years 4 months ago
2002
ACM
With the rapid growth of XML-document traffic on the Internet, scalable content-based dissemination of XML documents to a large, dynamic group of consumers has become an important...
SIGMOD
2002
ACM
13 years 4 months ago
2002
ACM
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...
PODS
2010
ACM
13 years 6 months ago
2010
ACM
Databases in real life are often neither entirely closed-world nor entirely open-world. Indeed, databases in an enterprise are typically partially closed, in which a part of the d...
CSE
2009
IEEE
13 years 9 months ago
2009
IEEE
A user stores his personal files in a cloud, and retrieves them wherever and whenever he wants. For the sake of protecting the user data privacy and the user queries privacy, a use...
VLDB
1989
ACM
13 years 9 months ago
1989
ACM
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...