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SPATIALCOGNITION
1998
Springer
15 years 1 months ago
Shape Nouns and Shape Concepts: A Geometry for 'Corner'
This paper investigates geometric and ontological aspects of shape concepts underlying the semantics of nouns. Considering the German shape nouns Ecke and Knick (corner and kink) w...
Carola Eschenbach, Christopher Habel, Lars Kulik, ...
SIGCOMM
1996
ACM
15 years 1 months ago
A Channel Access Scheme for Large Dense Packet Radio Networks
Prior work in the eld of packet radio networks has often assumed a simple success-if-exclusive model of successful reception. This simple model is insucient to model interference...
Timothy J. Shepard
FOCS
1994
IEEE
15 years 1 months ago
A Spectral Approach to Lower Bounds
We establish a nonlinear lower bound for halfplane range searching over a group. Specifically, we show that summing up the weights of n (weighted) points within n halfplanes requir...
Bernard Chazelle
BIRTHDAY
1994
Springer
15 years 1 months ago
Generalizing Cook's Transformation to Imperative Stack Programs
Cook's construction from 1971 [4] shows that any two-way deterministic pushdown automaton (2DPDA) can be simulated in time O(n), where n is the length of its input string, and...
Nils Andersen, Neil D. Jones
SIGGRAPH
1993
ACM
15 years 1 months ago
Turbulent wind fields for gaseous phenomena
The realistic depiction of smoke, steam, mist and water reacting to a turbulent eld such as wind is an attractive and challenging problem. Its solution requires interlocking model...
Jos Stam, Eugene Fiume