نتایج جستجو برای: grasshopper optimization

تعداد نتایج: 319753  

Journal: :Journal of medical entomology 2003
Richard A Nunamaker Jeffrey A Lockwood Charles E Stith Corey L Campbell Scott P Schell Barbara S Drolet William C Wilson David M White Geoffrey J Letchworth

Vesicular stomatitis (VS) is an economically devastating disease of livestock in the Americas. Despite strong circumstantial evidence for the role of arthropods in epizootics, no hematophagous vector explains the field evidence. Based on the spatiotemporal association of grasshopper outbreaks and VS epizootics, we investigated the potential role of these insects as vectors and reservoirs of the...

Journal: :Wuhan University Journal of Natural Sciences 2022

Ontology alignment is an essential and complex task to integrate heterogeneous ontology. The meta-heuristic algorithm has proven be effective method for ontology alignment. However, it only applies the inherent advantages of meta-heuristics rarely considers execution efficiency, especially multi-objective model. performance such optimization models mostly depends on well-distributed fast-conver...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

2002
JEFFREY LOCKWOOD ALLAN SHOWLER ALEXANDRE LATCHININSKY

Scale is the fundamental conceptual problem in assessing the sustainability or value of controlling grasshoppers or locusts. Using case studies from North America (United States: Wyoming), Africa (Eritrea), and Asia (Russia: Irkutsk), we analyzed the viability of control programs. There are at least four dimensions to acridid pest management. At the geopolitical scale, all three cases reveal th...

2008
Bernhard Jung Fabien Michel Alessandro Ricci Paolo Petta

An itinerary scripting language provides a tool to accelerate the development of mobile agent applications. The main purpose of this paper is to discuss research challenges of itinerant mobile agents (ITAG) and describe the migration of ITAG to JADE, the popular FIPA-compliant agent platform. The migration process was based on two major steps: the migration of agent communications and agent tas...

1994
Alan Dearle Rex di Bona James Farrow Frans A. Henskens Anders Lindström Stephen Norris John Rosenberg Francis Vaughan

Persistent systems support a single storage abstraction in which all data may be created and manipulated in a uniform manner, regardless of its longevity. In such systems a protection mechanism is required to ensure that programs can access precisely those objects they are supposed to access and no others. In a monolingual system this protection can be provided by the type system of the program...

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