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» Path Constraints in Semistructured Databases
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ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
15 years 3 months ago
Database Caching - Towards a Cost Model for Populating Cache Groups
Web caching keeps single Web objects ready somewhere in caches in the user-to-server path, whereas database caching uses fullfledged database management systems as caches to adapt...
Theo Härder, Andreas Bühmann
ICDE
2004
IEEE
90views Database» more  ICDE 2004»
15 years 11 months ago
Multiresolution Indexing of XML for Frequent Queries
XML and other types of semi-structured data are typically represented by a labeled directed graph. To speed up path expression queries over the graph, a variety of structural inde...
Hao He, Jun Yang 0001
ESWS
2011
Springer
14 years 1 months ago
Optimizing Query Shortcuts in RDF Databases
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
Vicky Dritsou, Panos Constantopoulos, Antonios Del...
FROCOS
2007
Springer
15 years 3 months ago
Languages Modulo Normalization
Abstract. We propose a new class of tree automata, called tree automata with normalization (TAN). This framework extends equational tree automata, and improved the results of them:...
Hitoshi Ohsaki, Hiroyuki Seki
ICDM
2006
IEEE
176views Data Mining» more  ICDM 2006»
15 years 3 months ago
Razor: mining distance-constrained embedded subtrees
Due to their capability for expressing semantics and relationships among data objects, semi-structured documents have become a common way of representing domain knowledge. Compari...
Henry Tan, Tharam S. Dillon, Fedja Hadzic, Elizabe...