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Semantic Pen - A Personal Information Management System for Pen Based Devices

The Onset of Semantic Web technology have promised a new vision of Personal Information Management (PIM). With the advent of Pen-based computing, PIM faces new challenges: usability and flexibility are important constraints in the pen based environment. We present our system of Semantic Pen - an augmented pen based PIM system that merges the efficiency of semantic web with the usability of pen based devices. The architecture consists of an intuitive user interface which can capture digital ink, a Hidden Markov model (HMM) to extract personal information and a data model of Resource Description Framework(RDF) for flexible organization and semantic querying of data.