Introduction 2 • PTIME decidable uniform word problems for quasi-varieties • CS applications: type inference systems, program analysis, decision procedures in ATP • fundamental effective methods for establishing PTIME upper bounds • local theories (Givan, McAllester 92) capture PTIME • algebraic criteria by Skolem (1920), Evans (1951), and Burris (1995) • relation between these criteria Introdu...

this research conducted in order to prioritize the effective criteria on development of medicinal plants cultivation in north khorasan province using analytical hierarchy process (ahp) and delphi methods. for this purpose, a list of effective factors offered to delphi group. analysis of delphi process showed that among 23 offered factors 19 factors, had greater impact on development of medicina...

In the information age, the speed of producing and supplying valuable information is considered as one of the keys to success in the organizations and institutes.The major objective of this study was to investigate and specify the effective factors in evaluating the BI systems with an emphasis on the integrity of organizational resources. First, five factors were determined as the major factors...

in this study, effective criteria on process of tourism areas selection were collected due to macro planning of capable areas to tourism sample regions in khorasan razavi province. then, their priority was carried out based on delphi method. after determining the relative weights and criteria priorities, the map of capable areas to planning tourism sample regions was obtained at the province le...

designing an effective criterion for selecting the best rule is a major problem in theprocess of implementing fuzzy learning classifier (flc) systems. conventionally confidenceand support or combined measures of these are used as criteria for fuzzy rule evaluation. in thispaper new entities namely precision and recall from the field of information retrieval (ir)systems is adapted as alternative...

in recent years, many security threats have entered into the organizations’ information and changed the  organizational performance resulting in their exorbitant costs. this question is of particular importanceabout government agencies that use information and internet systems. this issue enabled the top managers of organizations to implement a security system and minimize these costs. using in...