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ASPDAC
1999
ACM
135views Hardware» more  ASPDAC 1999»
14 years 2 months ago
A High Speed and Low Power Phase-Frequency Detector and Charge - pump
– In this paper, we introduce a high-speed and low power Phase-Frequency Detector (PFD) that is designed using modified TSPC (True Single-Phase Clock) positive edge triggered D f...
Won Hyo Lee, Jun Dong Cho, Sung Dae Lee
POPL
1997
ACM
14 years 2 months ago
Pizza into Java: Translating Theory into Practice
Pizza is a strict superset of Java that incorporates three ideas from the academic community: parametric polymorphism, higher-order functions, and algebraic data types. Pizza is d...
Martin Odersky, Philip Wadler
CCCG
2010
13 years 11 months ago
Regular labelings and geometric structures
Three types of geometric structure--grid triangulations, rectangular subdivisions, and orthogonal polyhedra-can each be described combinatorially by a regular labeling: an assignm...
David Eppstein
GISCIENCE
2010
Springer
166views GIS» more  GISCIENCE 2010»
13 years 10 months ago
Periodic Multi-labeling of Public Transit Lines
We designed and implemented a simple and fast heuristic for placing multiple labels along edges of a planar network. As a testbed, realworld data from Google Transit is taken: our ...
Valentin Polishchuk, Arto Vihavainen
ALGORITHMICA
2005
99views more  ALGORITHMICA 2005»
13 years 10 months ago
Improved Approximation Algorithms for the Quality of Service Multicast Tree Problem
Abstract. The Quality of Service Multicast Tree Problem is a generalization of the Steiner tree problem which appears in the context of multimedia multicast and network design. In ...
Marek Karpinski, Ion I. Mandoiu, Alexander Olshevs...