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» Persistent Spatial Relations - a Systems Design Objective
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SAC
2008
ACM
13 years 7 months ago
Aggregation languages for moving object and places of interest
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
Leticia I. Gómez, Bart Kuijpers, Alejandro ...
SPIESR
1996
122views Database» more  SPIESR 1996»
13 years 9 months ago
Retrieval by Content in Symbolic-Image Databases
Two approaches for integrating images into the framework of a database management system are presented. The classi cation approach preprocesses all images and attaches a semantic ...
Aya Soffer, Hanan Samet
SIGGRAPH
2000
ACM
14 years 8 days ago
Shadows for cel animation
We present a semi-automatic method for creating shadow mattes in cel animation. In conventional cel animation, shadows are drawn by hand, in order to provide visual cues about the...
Lena Petrovic, Brian Fujito, Lance Williams, Adam ...
HOTOS
2003
IEEE
14 years 1 months ago
Palimpsest: Soft-Capacity Storage for Planetary-Scale Services
Distributed writable storage systems typically provide NFS-like semantics and unbounded persistence for files. We claim that for planetary-scale distributed services such facilit...
Timothy Roscoe, Steven Hand
ECOOP
1997
Springer
14 years 2 days ago
Subtyping Is Not a Good "Match" for Object-Oriented Languages
We present the design and rationale of a new statically-typed object-oriented language, LOOM. LOOM retains most of the features of the earlier language PolyTOIL. However the subtyp...
Kim B. Bruce, Leaf Petersen, Adrian Fiech