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ASPDAC
1999
ACM
135views Hardware» more  ASPDAC 1999»
15 years 10 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
15 years 10 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
15 years 7 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»
15 years 6 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»
15 years 5 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...