This paper aims to design an efficient data forwarding scheme based on local activity and social similarity(LASS) for mobile networks (MSNs). Various definitions of similarity have been proposed as the criterion relay selection, which results in various schemes. The appropriateness practicality determine performances these A popular definition has recently proven be more than other existing ones, i.e., common interests between two nodes, larger them. In this work, we show that schemes such...

In this paper, we investigate capacity scaling laws of wireless social networks under the social-based session formation. We model a network as three-layered structure, consisting physical layer, and layer; introduce cross-layer distance & density-aware model, called population-based formation which: 1) for each node v <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">k</sub> , number its friends/followers, denoted by q follows Zipf's distribution...

Intelligent traffic signal control strategies for emergency vehicles (EV) is a research hotspot in intelligent transportation systems. Its results will promote the shortening of travel time EVs, which vital to saving lives and reducing property losses. This paper proposes novel real-time strategy. The first step called on-demand timing road saturation, makes it possible that ordinary vehicles(OV) give way EVs make faster, according three indicators: response level(ERL), congestion level...

Internet of Things technology has been widely used in water traffic research. Many critical waterways the world are becoming more crowded due to many factors waterway environments, such as invisibility, variability, and uncertainty. Accurate depth information is necessary improve navigation safety. Water electronic charts cannot be updated a timely way, while actual unpredictable, this factor threatens safety vessels environments. Based on shore-based network, ship data other big can...

Urban traffic condition usually serves as a basic information for some intelligent urban applications, e.g., transportation system. But the acquisition of such is often costly due to dependency on equipments cameras and loop detectors. Crowdsensing can be utilized gather vehicle-sensed data estimation. This way collection economic. However, it has problems uploading efficiency usage effectiveness. To deal with these problems, in this paper, we take into account topology road net. We divide...

In intelligent vehicular communication networks, a hybrid architecture is used which combines both centralized and ad hoc transmission schemes. order to maximize the end-to-end delivery ratio while reducing network overhead, one important problem efficiently design data forwarding algorithm guarantee quality of transmission. this paper, by considering traveling information space-crossing community structure, two metrics, “space-time approachability” “social approachability,” are defined...

Ant colony optimization algorithm is widely used in various NPC problems for the global optimization, self learning ability and other characteristics, achievements were made WSNs field. Based on study of algorithm, this paper, we propose a new energy-effective QoS routing algorithm. The to speeds up convergence ant by using SNGF optimize candidate nodes, pheromone defined as combination link load bandwidth delay. Then, order balance energy consumption network, node will be control factor...

As the post-00s group gradually becomes main force on university campuses, their personality characteristics, living habits, values and information acquisition methods are significantly different from those of previous generations students. an important place for college students' daily life study, dormitory management not only affects quality students, but also directly growth environment mental health. This paper aims to explore characteristics analyze current status models, propose a...

With the goal of increasing coverage wireless sensor network nodes and reducing node deployment time, a model based on fuzzy data fusion is designed. According to structure, communication range radius are determined, so as obtain node. Establishing perception probability joint target point. Finally, through rules, realized, judgment criterion obtained, finally completed under constraints. Experimental results show that this method effectively improves reduces indicating beneficial enhance...

To establish a method to determine cobalt and tungsten in human urine by ICP-MS.Both Co W were linear within 0.05~10.00 ng/ml with r>0.999. Spike experiment showed that both received good recovery rate, which 90%~97%. Intra-assay precisions 3.2%~5.1% for 2.2%~4.1% W, inter-assay 4.4%~5.2% 3.7%~4.5% W.The using ICP-MS was fast, accurate low matrix effect. It could meet the requirement GBZ/T 210.5-2008.

To establish a method to determine cobalt in human urine by graphite furnace atomic absorption spectrometry.Urine with 2% nitric acid diluted two-fold, quantify the curve, spectrometric detection.Co was linear within 2.5~40.0 ng/ml r>0.999. Spike experiment showed that Co received good recovery rate, which 90.8%~94.8%. Intra-assay precisions were 3.2%~5.1% for Co, inter-assay 4.4%~5.2% Co.The using spectrometr fast, accurate and low matrix effect. It could meet requirement GBZ/T 210.5-2008.

Aiming at the problem of poor execution efficiency and coarse grain monitoring, a host security monitoring system is designed implemented in this paper, which rewrites service scheduler with setting hook function kernel conducts fine policy user layer. This has advantages such as good efficiency, little occupation resources monitoring.