250 search results - page 2 / 50 » Tree pattern query minimization |
JCSS
2007
13 years 6 months ago
2007
Automata for unranked trees form a foundation for XML schemas, querying and pattern languages. We study the problem of efficiently minimizing such automata. First, we study unrank...
ICDE
2004
IEEE
14 years 7 months ago
2004
IEEE
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...
WEBDB
2010
Springer
13 years 11 months ago
2010
Springer
Tree patterns with full text search form the core of both XQuery Full Text and the NEXI query language. On such queries, users expect a relevance-ranked list of XML elements as an...
VLDB
2002
ACM
13 years 6 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...
DEXAW
2004
IEEE
13 years 10 months ago
2004
IEEE
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...