217 search results - page 7 / 44 » Uniform Generation in Spatial Constraint Databases and Appli... |
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Automatically generating sufficient database states is imperative to reduce human efforts in testing database applications. Complementing the traditional block or branch coverage...
AMAI
2006
Springer
2006
Springer
Functional and multivalued dependencies in nested databases generated by record and list constructor
13 years 7 months ago
tor. In order to capture different data models at a time, an abstract algebraic approach based on nested attributes is taken. The presence of the list constructor calls for a new i...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
We introduce a novel spatial join operator, the ring-constrained join (RCJ). Given two sets P and Q of spatial points, the result of RCJ consists of pairs p, q (where p P, q Q) ...