306 search results - page 51 / 62 » Spark: top-k keyword query in relational databases |
BMCBI
2006
13 years 7 months ago
2006
Background: Existing biological databases support a variety of queries such as keyword or definition search. However, they do not provide any measure of relevance for the instance...
PR
2002
13 years 7 months ago
2002
A statistical correlation model for image retrieval is proposed. This model captures the semantic relationships among images in a database from simple statistics of userprovided r...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
Path expressions are the principal means of locating data in a hierarchical model. But path expressions are brittle because they often depend on the structure of data and break if...
CIKM
2010
Springer
13 years 5 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
We propose to adapt the newly emerged cache-oblivious model to relational query processing. Our goal is to automatically achieve an overall performance comparable to that of fine-...