1. Smart Instant Messenger @ HKU Context-aware Instant Messenger for Mobile Users Supervisor: Dr.Cho-Li Wang CS Final Year Project (Year 2006-2007)

2. Smart Instant Messenger @ HKU The Future Landscape – Pervasive Computing Environment Everything becomes smart and connected The pen, the toy, the wall, the living room and “you” They “talk” and cooperate to make your life better

3. Smart Instant Messenger @ HKU Pervasive Communication Anytime, anywhere “Anything” In a buddy-like way Appropriate –Knowing when, where, how Familiar –“ gd nite & cu tmr ” –Use your own dialect This project looks at the potential usage of IM on mobile devices in future pervasive environments. The Project Goal PDSO P D S O P – Person D – Device S – Software O – Other entities

4. Smart Instant Messenger @ HKU Pushing IM into PCE Everything as your buddy and can be communicated using real-time message exchange Three main features Context-aware presence management Context as presence Different buddies see different status Resource buddy services extend the concept of “buddies” to all software and hardware components in your working space IM as the unified communication interface Buddy understands your dialect Dynamic grouping Location-based Grouping ( “ buddy discovery ” ) Activity-based Grouping ( “ task centric ” )

5. Smart Instant Messenger @ HKU Overview of the architecture Extend the IM framework and implant context-aware behaviors Separate context provision from context consumption Everything’s behind an SIM client Distributed Servers Architecture Context Providers (Gather context data from various sources and provide them in various formats…) Context Providers (Gather context data from various sources and provide them in various formats…) Extended IM Framework (Interaction between IM server and client) Extended IM Framework (Interaction between IM server and client) SIM Client SIM Server Context-aware Supporting Middleware (Context modeling, reasoning, event monitoring…) Context-aware Supporting Middleware (Context modeling, reasoning, event monitoring…) Sensor

6. Smart Instant Messenger @ HKU Software and Hardware Needed Hardware : iPAQ PDA Network: WLAN (802.11) + BlueTooth Sensor : RFID Software Rule-based reasoning engine Tools: Jena, Protégé Language: Java, OWL (for building context model) IM Jabber Instant Messaging system, http://www.jabber.org/http://www.jabber.org/ XML-formatted message exchange

7. Smart Instant Messenger @ HKU Best Paper Award in GPC2006 Terry Law Nadia Zhang