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User-item rating data preprocessing is an important factor that influences the accuracy of the collaborative filtering algorithms. When users assign a rating to an item, the rating may be influenced by some external factors, such as users' emotional factor. By analyzing the deviation of the users' ratings, this paper presents a novel recommendation method based on adjusted user-item rating matrix...
Hardware accelerators are widely employed to alleviate CPU's burden in video applications. Playing high definition videos encoded in popular standards such as H.264, MPEG4 and VC-1 has already gain significant speedups on Intel, AMD and NVIDIA platforms. In this paper, we realized fluent playback of 720p AVS video on the Godson Platform. We made that possible by expanding the VA-API (Video Acceleration...
The intellectualized agriculture synthesis information integration gateway is the agricultural informationization system integration key technologies equipment. The agricultural synthesis information integrates gateway's architecture was proposed, and the main modules function of software and hardware were given, besides we analysised data attributes and the exchange mechanism of text, voice, video,etc...
This paper implements a fast disposing wireless sensor network (WSN) with low power consumption. The system, which is based on ZigBee technology, detects environment information, such as temperature, relative humidity and pressure etc. By the portable structure design, the system can be established or dismantled quickly in a desired area, such as a incomplete building, a temporary watched environment...
Due to the features of interaction between malicious codes, the cooperation becomes more and more common. In this paper, cooperation between worm and virus is discussed in detail, and a cooperation model named CM model is proposed to describe the dynamical process of propagation. Results of simulation and mathematic analysis show that the propagation performance is significantly improved with the...
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