167 search results - page 11 / 34 » On the provenance of non-answers to queries over extracted d... |
ICDE
2000
IEEE
14 years 9 months ago
2000
IEEE
Abstract Arturo Crespo, Orkut Buyukkokten, and Hector Garcia-Molina Stanford University With information dissemination (information push), data is delivered from a set of producers...
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Complex ad hoc join queries over enterprise databases are commonly used by business data analysts to understand and analyze a variety of enterprise-wide processes. However, eff...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
With the growing importance of XML in data exchange, much research has been done in providing flexible query facilities to extract data from structured XML documents. In this pape...
ADMA
2006
Springer
14 years 1 months ago
2006
Springer
We hypothesize that the variance in volume of high-velocity queries over time can be explained by observing that these queries are formulated in response to events in the world tha...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...