623 search results - page 33 / 125 » An Empirical Study of Query Specificity |
ICDE
2011
IEEE
13 years 20 days ago
2011
IEEE
— Array database systems are architected for scientific and engineering applications. In these applications, the value of a cell is often imprecise and uncertain. There are at le...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...
ECIR
2009
Springer
14 years 6 months ago
2009
Springer
Abstract. In this paper, we examine a number of newly applied methods for combining pre-retrieval query performance predictors in order to obtain a better prediction of the queryâ€...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
ADC
2008
Springer
14 years 3 months ago
2008
Springer
With respect to current methods for query evaluation over XML data streams, adoption of certain types of buffering techniques is unavoidable. Under lots of circumstances, the buff...