منابع مشابه
Martin Barth Business School University of Mannheim Mannheim , Germany
Following the advent of the Internet more and more processes are provided virtually, i.e., without physical interactions between involved people and objects. For instance, E-Commerce has virtualized shopping processes since products are bought without physical inspection and interaction with sales staff. This study is founded on the key idea of process virtualization theory (PVT) that from the ...
متن کاملMannheim Offsets of Ruled Surfaces
In a recent works Liu and Wang 2008; 2007 study the Mannheim partner curves in the three dimensional space. In this paper, we extend the theory of the Mannheim curves to ruled surfaces and define two ruled surfaces which are offset in the sense of Mannheim. It is shown that, every developable ruled surface have a Mannheim offset if and only if an equation should be satisfied between the geodesi...
متن کاملThe Mannheim Search Join Engine
A Search Join is a join operation which extends a user-provided table with additional attributes based on a large corpus of heterogeneous data originating from the Web or corporate intranets. Search Joins are useful within a wide range of application scenarios: Imagine you are an analyst having a local table describing companies and you want to extend this table with attributes containing the h...
متن کاملAcl in 1977
As I leaf through my own "ACL (Historical)" file (which, I am frightened to observe, goes back to the Fourth Annual Meeting, in 1966), and focus in particular on 1977, when I was President, it strikes me that pretty much everything significant that happened in the Association that year was the work of other people. Don Walker was completing the mammoth task of transferring all of the ACL's reco...
متن کاملPerfect Mannheim, Lipschitz and Hurwitz weight codes
The set of residue classes modulo an element π in the rings of Gaussian integers, Lipschitz integers and Hurwitz integers, respectively, is used as alphabets to form the words of error correcting codes. An error occurs as the addition of an element in a set E to the letter in one of the positions of a word. If E is a group of units in the original rings, then we obtain the Mannheim, Lipschitz a...
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ژورنال
عنوان ژورنال: Physik Journal
سال: 1977
ISSN: 0031-9279
DOI: 10.1002/phbl.19770331109