We show that the multi-commodity max-flow/min-cut gap for series-parallel graphs can be as bad as 2, matching a recent upper bound [8] for this class, and resolving one side of a ...
In this paper we consider the structural analysis problem for differential-algebraic systems with conditional equations. This consists, given a conditional differential algebraic ...
—High level languages greatly increase the power of a programmer at the cost of programs that consume more s than those written at a lower level of abstraction. This inefficienc...
A picking mechanism (pointing and indicating) with the cursor is essential for any direct-manipulation application. The windowing systems, under which control a direct-manipulation...
Shin-Ting Wu, Marcel Abrantes, Daniel Tost, Harlen...
In previous empirical work humans did not recognize the definition of most topological operators for regions by their names in two geospatial information systems (GIS). This work d...