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» Kaleidoquery: a visual query language for object databases
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ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
14 years 1 months ago
Vague Spatial Data Types, Set Operations, and Predicates
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
Alejandro Pauly, Markus Schneider
TKDE
2002
133views more  TKDE 2002»
13 years 7 months ago
ImageMap: An Image Indexing Method Based on Spatial Similarity
We introduce ImageMap, as a method for indexing and similarity searching in Image DataBases (IDBs). ImageMap answers "queries by example", involving any number of object...
Euripides G. M. Petrakis, Christos Faloutsos, King...
ICDT
1995
ACM
96views Database» more  ICDT 1995»
13 years 11 months ago
On Two Forms of Structural Recursion
We investigate and compare two forms of recursion on sets for querying nested collections. The rst one is called sri and it corresponds to sequential processing of data. The second...
Dan Suciu, Limsoon Wong
IS
2008
13 years 7 months ago
DFL: A dataflow language based on Petri nets and nested relational calculus
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
Jan Hidders, Natalia Kwasnikowska, Jacek Sroka, Je...
COOPIS
2004
IEEE
13 years 11 months ago
Security Management Through Overloading Views
The model of overloading views is a facility allowing the programmer to separate some kinds of crosscutting concerns that occur during design, implementation and maintenance of dat...
Radoslaw Adamus, Kazimierz Subieta