382 search results - page 37 / 77 » Refreshing Models to Provide Timely Query Recommendations |
TIME
2005
IEEE
14 years 2 months ago
2005
IEEE
— We provide a novel trace semantics for positive core XPath that exposes all intermediate nodes visited by the query engine. This enables a detailed analysis of all information ...
CORR
2012
Springer
12 years 4 months ago
2012
Springer
Graphs are fundamental data structures and have been employed for centuries to model real-world systems and phenomena. Random walk with restart (RWR) provides a good proximity sco...
FOCS
2008
IEEE
14 years 3 months ago
2008
IEEE
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often domi...
SDM
2010
SIAM
13 years 10 months ago
2010
SIAM
Real-world relational data are seldom stationary, yet traditional collaborative filtering algorithms generally rely on this assumption. Motivated by our sales prediction problem, ...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
We address the problem of making online, parallel query plans fault-tolerant: i.e., provide intra-query fault-tolerance without blocking. We develop an approach that not only achi...