261 search results - page 5 / 53 » An Optimization Technique for Answering Regular Path Queries |
ICDE
2010
IEEE
15 years 2 months ago
2010
IEEE
— In recent years, the research community introduced various methods for processing skyline queries in multidimensional databases. The skyline operator retrieves all objects bein...
VLDB
1987
ACM
15 years 29 days ago
1987
ACM
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
ICTAI
2008
IEEE
15 years 3 months ago
2008
IEEE
Unlike simple questions, complex questions cannot be answered by simply extracting named entities. These questions require inferencing and synthesizing information from multiple d...
160
Voted
VLDB
2012
ACM
13 years 5 months ago
2012
ACM
The growing popularity of graph databases has generated interesting data management problems, such as subgraph search, shortest path query, reachability verification, and pattern ...
DEXAW
2005
IEEE
14 years 11 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...