4084 search results - page 538 / 817 » Constraints in spatial structures |
192
click to vote
SAC
2010
ACM
15 years 11 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
122
Voted
ICS
2009
Tsinghua U.
15 years 11 months ago
2009
Tsinghua U.
It has been observed that some applications manipulate large amounts of null data. Moreover these zero data often exhibit high spatial locality. On some applications more than 20%...
152
click to vote
CIVR
2007
Springer
15 years 10 months ago
2007
Springer
Ensuring the uniqueness of trademark images and protecting their identities are the most important objectives for the trademark registration process. To prevent trademark infringe...
147
click to vote
KI
2005
Springer
15 years 10 months ago
2005
Springer
The point algebra is a fundamental formal calculus for spatial and temporal reasoning. We present a new generalization that meets all requirements to describe dependencies on netw...
144
click to vote
OTM
2005
Springer
15 years 10 months ago
2005
Springer
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...