598 search results - page 21 / 120 » Data clouds: summarizing keyword search results over structu... |
ICIP
2001
IEEE
14 years 10 months ago
2001
IEEE
This paper concerns the characterization of clouds on meteorological satellite image sequences through points trajectories. These temporal curves can be computed from the result o...
SAC
2006
ACM
14 years 2 months ago
2006
ACM
Structured data and complex schemas are becoming the main way to represent the information many Digital Libraries provide, thus impacting the services they offer. When searching i...
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
We propose and evaluate two indexing schemes for improving the efficiency of data retrieval in high-dimensional databases that are incomplete. These schemes are novel in that the ...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
This paper presents a unified framework for the evaluation of a range of structured document retrieval (SDR) approaches and tasks. The framework is based on a model of tree retrie...