IDEAS
2007
IEEE
13 years 10 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
ICDE
2002
IEEE
14 years 5 months ago
2002
IEEE
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...