158 search results - page 7 / 32 » Expressive languages for path queries over graph-structured ... |
DOCENG
2006
ACM
14 years 1 months ago
2006
ACM
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Caching data by maintaining materialized views typically requires updating the cache appropriately to reflect dynamic source updates. Extensive research has addressed the problem ...
SAC
2008
ACM
13 years 7 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
VLDB
2001
ACM
13 years 12 months ago
2001
ACM
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...