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SODA
1992
ACM
252views Algorithms» more  SODA 1992»
14 years 23 days ago
A General Approximation Technique for Constrained Forest Problems
We present a general approximation technique for a large class of graph problems. Our technique mostly applies to problems of covering, at minimum cost, the vertices of a graph wit...
Michel X. Goemans, David P. Williamson
SODA
1992
ACM
109views Algorithms» more  SODA 1992»
14 years 23 days ago
New Algorithms for Minimum Area k-gons
Given a set P of n points in the plane, we wish to find a set Q P of k points for which the convex hull conv(Q) has the minimum area. We solve this, and the related problem of fi...
David Eppstein
SODA
1992
ACM
179views Algorithms» more  SODA 1992»
14 years 23 days ago
Approximating the Minimum Weight Triangulation
We show that the length of the minimum weight Steiner triangulation (MWST) of a point set can be approximated within a constant factor by a triangulation algorithm based on quadtr...
David Eppstein
SODA
1992
ACM
116views Algorithms» more  SODA 1992»
14 years 23 days ago
On Playing "Twenty Questions" with a Liar
We consider a version of the game "Twenty Questions" played on the set {0,
Aditi Dhagat, Péter Gács, Peter Wink...
SODA
1992
ACM
113views Algorithms» more  SODA 1992»
14 years 23 days ago
Dynamic Point Location in General Subdivisions
Hanna Baumgarten, Hermann Jung, Kurt Mehlhorn
SODA
1992
ACM
135views Algorithms» more  SODA 1992»
14 years 23 days ago
Applications of Parametric Searching in Geometric Optimization
We present several applications in computational geometry of Megiddo's parametric searching technique. These applications include: (1) Finding the minimum Hausdorff distance ...
Pankaj K. Agarwal, Micha Sharir, Sivan Toledo
SODA
1990
ACM
114views Algorithms» more  SODA 1990»
14 years 23 days ago
Finding Steiner Forests in Planar Graphs
Given an unweighted planar graph G together with nets of terminals, our problem is to find a Steiner forest, i.e., vertex-disjoint trees, each of which interconnects all the termin...
Hitoshi Suzuki, Takehiro Akama, Takao Nishizeki
SODA
1990
ACM
173views Algorithms» more  SODA 1990»
14 years 23 days ago
Suffix Arrays: A New Method for On-Line String Searches
A new and conceptually simple data structure, called a suffix array, for on-line string searches is introduced in this paper. Constructing and querying suffix arrays is reduced to...
Udi Manber, Gene Myers