Context Aware Diary Builder (cadb)

The major attempt of pervasive computing is to reduce the required user effort in usingrnapplications in their surrounding by identifying and recognizing resources; and reactingrnautomatically based on their interest. Spontaneous interaction of heterogeneous resources tornachieve context awareness requires the detection of entities together with its description in smartrnspace environment (such as location, status, capability, history, etc). Once resources in smartrnspace environment are identified; application developer can produce pervasive application that isrnrequired in the daily life of the society.rnThere are a number of researches in pervasive computing that aim at improving our daily life. Thisrnresearch work emphasizes on producing and introducing a new way of diary capturing for users inrntheir day-to-day activities. Shortly we claim that our research work is a technology driven study asrna result of advancement in smart space environment and mobile computing competence.rnThis thesis work, proposed an architecture for Context Aware Diary Builder (CADB) along with arnnumber of algorithms used to realize it. The architecture of CADB consists of four layers; i)rnAcquisition Layer (deals with extraction of context information from various sensors and user’srnprofile); ii) Context Aggregator Layer (deals with characterization of sensor data via arnpreprocessor, feature extractor and context classifier components); iii) Context Reasoner Layerrn(reasoning on the user’s context by using ontology and rule based reasoner); and iv) Applicationrnlayer (deals with how user’s view their daily activity annexed with date information).rnMoreover, this study indicates a new way of context agreement/negotiation deployed at the secondrnlayer of the CADB architecture. It was used a multi-agent system to achieve contextrnagreement/negotiation. Six software agents were introduced and used to facilitate and simplify therndiary writing process.rnKey Word: Pervasive Computing, Diary, Multi-Agent-System, Context Aware Diary Builder

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