The study of trust management in multi-agent system, especially distributed, has grown over the last years. Trust is a complex subject that has no general consensus in literature, but has emerged the importance of reasoning about it computationally. Reputation systems takes into consideration the history of an entity’s actions/behavior in order to compute trust, collecting and aggregating ratin...

Over the last decade, many techniques for optimizing relational queries have been developed. However, the optimization of queries with aggregation has received little attention. This paper investigates possible improvements for aggregate queries on groups of tuples. We suggest the use of program transformation methods to systematically generate efficient iterative programs for their evaluation....

Massive growth of the Internet traffic in last decades motivated the design of high-speed optical network for traffic aggregation from different access technologies. The network architecture proposed in this paper is a low-cost flexible solution consisting of two dual buses located over a physical bidirectional ring network topology. OTDM technology is used for statistical traffic multiplexing ...

Interval-valued Pythagorean fuzzy sets (IVPFSs) as enhanced type of (PFSs) improve the expression degrees membership, non-membership and hesitancy in comparison with intuitionistic (IFSs). In this paper, to use advantages IVPFSs a new group decision-making method is introduced based on linear assignment (LAM). approach, subjective objective weights criteria are taken into account. Moreover, app...

Fuzzy Hamming Distance is successfully used in a Content-Based Image Retrieval (CBIR) system as a similarity measure. The system performs a m × n partitioning of the compared images and for each partitions pairs evaluates FHD. In the last step the FHD are defuzzified and the results are combined in a final score. In order to take full advantage of the use of fuzzy sets, the current study invest...

Platelet aggregation inhibitory effect and anticoagulant properties of fractions separated from the venoms of Cerastes persicus fieldi and Echis carinatus were investigated. The partial fractionation was performed on a Sephadex G-100 column. Two fractions separated from Cerastes persicus fieldi showed anti platelet aggregation activity on ADP (200 µM)-induced platelet aggregation (ca 80% inhibi...

platelet aggregation inhibitory effect and anticoagulant properties of fractions separated from the venoms of cerastes persicus fieldi and echis carinatus were investigated. the partial fractionation was performed on a sephadex g-100 column. two fractions separated from cerastes persicus fieldi showed anti platelet aggregation activity on adp (200 µm)-induced platelet aggregation (ca 80% inhibi...

the year 736 ah (1335 ce), death of the mongol ruler, sultan abu saeed, is known as the year in which the ilkhanid government collapsed in iran. in pursuit of legitimacy, however, the ilkhanid chiefs and viziers would give the crown to any claimant of genghis’ parentage and would govern the country under their name. as a result, they would give the rulership to some puppet ilkhans, mint coins i...

Hop-by-hop data aggregation is a very important technique for reducing the communication over5 head and energy expenditure of sensor nodes during the process of data collection in a sensor 6 network. However, because individual sensor readings are lost in the per-hop aggregation process, 7 compromised nodes in the network may forge false values as the aggregation results of other 8 nodes, trick...

Epidemiologic studies show that the cardiovascular diseases are associated with multiple factors such as raised serum total cholesterol, increased LDL, increased platelet aggregation, hypertension and smoking. In-vitro studies have confirmed the ability of some plants of Allium species to reduce these parameters. Therefore, we evaluated anti-platelet aggregation effect of some Allium species (A...