A Process Calculus for Context-Aware Systems

Wusheng, Wang; Li, Weiping; Wu, Zhonghai

doi:10.1109/scc.2013.106

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…Acquisition methods of contextual information mainly include explicit acquisition, implicit acquisition, and inference acquisition [2]. Commonly seen solutions to context modeling include key-value pair model [3], process calculus model [4][5][6], graph model [7][8][9], object-oriented model [10,11], logical model [12,13], vector model and ontology model [14][15][16]. The context awareness processing process is mainly composed of two parts: contextual utilization and contextual organization.…”

Section: Introductionmentioning

confidence: 99%

Customer Churn Prediction Framework of Inclusive Finance Based on Blockchain Smart Contract

Yu,

Bi,

Cao

et al. 2023

Computer Systems Science and Engineering

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In view of the fact that the prediction effect of influential financial customer churn in the Internet of Things environment is difficult to achieve the expectation, at the smart contract level of the blockchain, a customer churn prediction framework based on situational awareness and integrating customer attributes, the impact of project hotspots on customer interests, and customer satisfaction with the project has been built. This framework introduces the background factors in the financial customer environment, and further discusses the relationship between customers, the background of customers and the characteristics of pre-lost customers. The improved Singular Value Decomposition (SVD) algorithm and the time decay function are used to optimize the search and analysis of the characteristics of pre-lost customers, and the key index combination is screened to obtain the data of potential lost customers. The framework will change with time according to the customer's interest, adding the time factor to the customer churn prediction, and improving the dimensionality reduction and prediction generalization ability in feature selection. Logistic regression, naive Bayes and decision tree are used to establish a prediction model in the experiment, and it is compared with the financial customer churn prediction framework under situational awareness. The prediction results of the framework are evaluated from four aspects: accuracy, accuracy, recall rate and F-measure. The experimental results show that the context-aware customer churn prediction framework can be effectively applied to predict customer churn trends, so as to obtain potential customer data with high churn probability, and then these data can be transmitted to the company's customer service department in time, so as to improve customer churn rate and customer loyalty through accurate service.

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Section: Introductionmentioning

confidence: 99%

Customer Churn Prediction Framework of Inclusive Finance Based on Blockchain Smart Contract

Yu,

Bi,

Cao

et al. 2023

Computer Systems Science and Engineering

View full text Add to dashboard Cite

show abstract

“…As part of this model, context-aware calculus [2] has been evolved to make efficient use of contextual information to evolve the rough low-level context received by the sensor into more valuable information and find useful information in context, Pascal Zimmer [3] proposed a process calculus to describe dynamic systems that can move and react differently depending on their location. Wang Wusheng [4] proposed a process calculus context-aware system calculus to describe context-aware system and carry out some operations. Christos B.…”

Section: Introductionmentioning

confidence: 99%

Preliminaries of Bigraphical Calculus for Context-awareness

Xu¹,

Zhou²,

Li³

2017

dtcse

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Abstract. Context-awareness has become one of the active topics in ubiquitous computing, cloud computing and so on, recently. In this paper, preliminaries of bigraph based context-aware calculus are presented for context-aware system. We define the syntax and semantics of process, context and context expressions, as well as the semantics of operations in the bigraphical calculus of context-awareness.

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“…1，there are SEM photos of phenolic foam at home and abroad, in which a is from the British Kingspan company's production,b is from the Japanese Asahi company's production and c is from domestic production. [1][2][3][4][5] The gap between domestic and foreign phenolic foamnot only makes the domestic phenolic foam in high cost, but also restricts its application. Therefore,studying phenolic foam board of low thermalconductivity, improving the quality of domestic phenolic foam board and enhancing its market competitiveness are of great significance.…”

Section: Introductionmentioning

confidence: 99%

Study on Phenolic Foams Modified by Graphene Oxide

Luan

Wei

Zhou

et al. 2015

AMR

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After the primary exploration of the preparation procedure of phenolic foam, we studied the modification of phenolic foam by graphene oxide. According to our researches we found that the influence of modifier to the percentage of close area was very little, but it can greatly decrease the thermal conductivity of phenolic foam. In this way, phenolic foam thermal conductivity can be reduced to 0.025 W/m.K.

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A Process Calculus for Context-Aware Systems

Cited by 5 publications

References 4 publications

Customer Churn Prediction Framework of Inclusive Finance Based on Blockchain Smart Contract

Customer Churn Prediction Framework of Inclusive Finance Based on Blockchain Smart Contract

Preliminaries of Bigraphical Calculus for Context-awareness

Study on Phenolic Foams Modified by Graphene Oxide

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