“Fertilissimi sunt auri Dardae, setae vero et argenti”. Notes on some ancient open-air gold mining sites in Ladakh

Ancient Gold Mining Activities in India - An Overview

Gold was obtained through washing or panning of the river sands during initial periods of civilisation. With the advent of knowledge of metallurgical processing of ores it was recovered through mining of in-situ quartz reefs, and then from auriferous sulphide ores. The metal mining activities are evidenced in the form of large number of ‘ancient metal mines’ or ‘old workings’ and ‘placer mining...

Decay factors and patterns of stones in open-air historical sites built of carbonate sedimentary stones

The number of historical open-air sites built of stone are relatively limited in comparison to the other historical artificial in Iran, but these sites include great significance in terms of value, historic and their knowledge of past. Since these stone poen-air sites are generally about two thousand years old, they have been exposed to decay factors for a long time. Many information and data o...

Some Historical Notes on Air Interdiction in Korea

on some bayesian statistical models in actuarial science with emphasis on claim count

چکیده ندارد.

Some theoretical open problems in data mining

This document contains a selection of open problems provided by participants of the data mining PhD reading seminar at the IT University of Copenhagen in fall 2009. It is not intended to showcase the “most significant” open problems in the field, but merely problems found interesting by the participants. In particular, the theoretical angle of the seminar is reflected. 1 Frequent itemsets — a r...