We study the problem of navigating through a database of similar objects using comparisons under heterogeneous demand, a problem closely related to small-world network design. We show that, under heterogeneous demand, the small-world network design problem is NPhard. Given the above negative result, we propose a novel mechanism for small-world network design and provide an upper bound on its pe...

ix Introduction xi On the General Framework and Piecewise Linear Cost Functions . . . . . . . . . . xi The Structure of the Thesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii 1 A Literature Review on Discrete Facility Location with Non-Standard Cost Functions 1 1.

nowdays, it is not possible administration a city without enjoyment of knowledge urban strategic development of cities planner, designer, and expert affair as in study more the dimension divers regional urban and analysis fund divers urban planning. urban aim to showing is to set up modern solutions. lareg city has faced toward other small and middle cities also with difficulties and problems. ...

Edge Splitting-off and Network Design Problems

The term “physical development and land use” was primarily raised in the Western countries so that governments could monitor the way the land is used and to maintain property rights. However, with rapid growth of urbanization and development of urban and regional planning the dimensions and the contents of the concept have expanded day by day. The central and practical core of urban planning is...