Continuity and changeability is durability

Rounding in e-approximation algorithms

A common approach to deal with NP-hard problems is to deploy polymonial-time e-approximation algorithms often resort to rounding and scaling to guarantee a solution that is within a factor ( 1+ypsilon) of the optimal solution. Usually, researchers either only round up or only down. In this paper we will evaluate the gian in accuracy when...

Towards a new typology

Regeneration by excess

Legal aspects of access to Geo-information within Indonesian spatial data infrastructure

Geo-information is a double-edged sword, regarding its powers in providing instant access to vast amounts of data and the opportunity to abuse, to misinform, and to invade the privacy of individuals on a greater scale than ever before [Cho, 1998: 22].<br/>Thus, access to geo-information has always become an essential issue on development of a...

Harmonized access to heterogeneous content: towards a European SDI

The development of a SDI, in Europe and elsewhere, has many aspects. Some are more technological in nature, and others have to do with organizational, financial and juridical issues. In this paper we will focus on an issue that is identified in the INSPIRE report of September 2003 as having a high priority: harmonization. We will look at two...

Horizontal Cone Penetration Testing

It has been proposed to use horizontal cone penetration tests froma tunnel boringmachine to obtain additional information on the soil in front of the TBM. This article gives an overviewof various investigations into the feasibility of such a technique. The execution of the test as well as the interpretation of the measurements are considered....

Bi-directional search in QoS routing

Determination of track lateral resistance and train speed limits using tamping machine and numerical optimisation