230 search results - page 37 / 46 » Type Derivation Using the Projection Operation |
GIS
2005
ACM
14 years 9 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
SSD
2001
Springer
14 years 9 days ago
2001
Springer
Like people who casually assess similarity between spatial scenes in their routine activities, users of pictorial databases are often interested in retrieving scenes that are simil...
EUROCOLT
1999
Springer
14 years 5 days ago
1999
Springer
Many settings of unsupervised learning can be viewed as quantization problems — the minimization of the expected quantization error subject to some restrictions. This allows the ...
ATMOS
2007
13 years 9 months ago
2007
We face a real-world train unit assignment problem for an operator running trains in a regional area. Given a set of timetabled train trips, each with a required number of passenge...
POST
2012
12 years 3 months ago
2012
Provenance is an increasing concern due to the revolution in sharing and processing scientific data on the Web and in other computer systems. It is proposed that many computer sys...