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Deadlock prevention plays an important role in the modeling and control of flexible manufacturing systems (FMS). This paper presents a novel and computationally efficient method to design optimal control places, and an iteration approach that only computes the reachability graph of a plant Petri net model once in order to obtain a maximally permissive(More)
Automatic recognition of human actions is an important but difficult problem in the area of computer vision. In this paper, an novel approach is introduced to handle the problem. Firstly, human body is detected through the use of contour information and the body is tracked by the hybrid method. The most prominent features are searched by using the(More)
Vehicular Ad hoc Network (VANET) is a special class of wireless mobile communication network. For vehicle-to-vehicle (V2V) communication, suitable routing protocols are needed. A routing metric combining hop counts and retransmission counts at MAC layer is proposed with consideration of link quality and delay reduction. Based on the new routing metric, a(More)
Active security and intelligent transportation are important Vehicular Ad hoc Network (VANET) applications, which need suitable vehicle-to-vehicle communication technology, especially routing technology. When designing routing protocol for VANET, driving information of vehicles can be used as routing metrics, which can provide additional routing(More)
We observe that (1) how a given named entity (NE) is translated (i.e., either semantically or phonetically) depends greatly on its associated entity type, and (2) entities within an aligned pair should share the same type. Also, (3) those initially detected NEs are anchors, whose information should be used to give certainty scores when selecting candidates.(More)
To determine the role of the mammalian target of rapamycin (mTOR) signaling in sustaining cancer stem-like cells and its clinical values in colorectal cancer (CRC). mTOR expression in CRC patients was analyzed by immunohistochemistry and survival analysis was used to confirm the clinical value of mTOR. Colorectal cell lines were treated by mTOR inhibitors(More)