XML is the de facto standard for exchanging data between aribtrary applications. There are many efforts to integrate XML into object-oriented programming languages reaching from the simple document object model (DOM) to XML class generators or even to the introduction of new programming languages. Another as desired feature as XML is persistency. The integration of persistency into object-orien...

In many formalizations of a changing world things do not change all the t ime but are persistent thoughout a time interval. Often this persistency is represented by facts refering to intervals int which are still valid if int is replaced by any subinterval i n t ' Approaches l ike episode propagat ion or Penberthy's temporal unification try to employ this property for efficient reasoning. Howev...

The notion of persistency, based on the rule "no action can disable another one" is one of the classical notions in concurrency theory. We recall two ways of generalization of this notion: the first is "no action can kill another one" and the second "no action can kill another enabled one". Afterwards we present an infinite hierarchy of computations in which one action disables another one for ...

In least-squares parameter estimation schemes, “persistency of excitation” conditions on the plant states are required for consistent estimation. in the case of extended least Squar% the persistency conditions are on the state estimates. Here, these “persistency of excitation” conditions are translated into “sufficiently rich” conditions on the plant noise and inputs. In the case of adaptive mi...

emphasis on milk yield (my) as well as milk yield persistency (myp) and calving interval (ci) is necessary to achieve more sustainable productionin dairy cattle. therefore the main objective of this study was to find an optimum regression model to estimate economic values for my, myp and ci.using a deterministic bio-economic model, seventyfiveproduction states differing mainly in my, mypand ciw...

The CMS experiment [1] is one of the four approved LHC experiments. Data taking is scheduled to begin in 2007, and will last at least ten years. The CMS software and computing task [2] will be 10-1000 times larger than that of current HEP experiments. Therefore it is essential that software must be modular, flexible, and maintainable as well as providing high performance and quality. One of the...