114
Voted
IDEAS
2007
IEEE
15 years 8 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...
82
Voted
SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
234
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ICDE
2002
IEEE
16 years 3 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 ...