157 search results - page 6 / 32 » A Path-based Approach for Efficient Evaluation of Twig Queri... |
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Emerging applications such as personalized portals, enterprise search and web integration systems often require keyword search over semi-structured views. However, traditional inf...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- Despite of advances in machine learning technologies, a schema matching result between two database schemas (e.g., those derived from COMA++) is likely to be imprecise. ...
DASFAA
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract. We have defined an XML structural index called the Structure Index Tree (SIT), which eliminates duplicate structures arising from the equivalent subtrees in an XML docume...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
With increasing amount of data being stored in XML format, OLAP queries over these data become important. OLAP queries have been well studied in the relational database systems. H...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...