until now single values of irr are traditionally used to estimate the time value of cash flows. since uncertainty exists in estimating cost data, the resulting decision may not be reliable. the most commonly cited drawbacks to using the internal rate of return in evaluatton of deterministic cash flow streams is the possibility of multiple conflicting internal rates of return. in this paper we p...

arabic language spread in different parts ofpersiaafter arabic-islamic expansion in this territory. the iranians were interested in learning arabic, because it was the language of the qoran and islam and its injunctions which were based on monoism and unity of god; and equality and justice this is why one not find a book composed in scientific or historical or religious subjects or on etics dur...

In the authorship verification problem, we are given examples of the writing of a single author and are asked to determine if given long texts were or were not written by this author. We present a new learning-based method for adducing the “depth of difference” between two example sets and offer evidence that this method solves the authorship verification problem with very high accuracy. The un...

This essay discusses whether “stealing” theories from other disciplines should always be avoided or whether there is any appropriate way of using theories developed in other disciplines in an information systems (IS) context. We take a look at the benefits and problems that have arisen in the IS field as a result of theory borrowing and suggest that – when done appropriately – such borrowing ma...