90 search results - page 6 / 18 » Efficient Evaluation of Queries with Mining Predicates |
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
CIKM
2009
Springer
15 years 1 months ago
2009
Springer
Current approaches to RDF graph indexing suffer from weak data locality, i.e., information regarding a piece of data appears in multiple locations, spanning multiple data structur...
64
Voted
IIS
2004
14 years 10 months ago
2004
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
BNCOD
2009
14 years 10 months ago
2009
We study the expressiveness of a positive fragment of path queries, denoted Path+ , on node-labeled trees documents. The expressiveness of Path+ is studied from two angles. First, ...