Yale SongUndergraduate Thesis Work

At Hanyang University

Realtors take photos moving around broad area and should come back to his office memorizing which picture is related to some specific area.

Sometimes they forget where they took some photographs.

• PDA

• SDIO Camera

• GPS

Web Server

Wireless Network

GPSLocation (x,y)

Retrieve information with a standalone database (SQLCE)

SQLCE

SQL

SYNCHRONIZE

1. Go to some place

2. Execute the application and log in

3. If there is network connectivity, synchronize to the server

4. Check new responses from customers

4. Take photos with the application

5. Post an article

6. Done!

rcvDB

sndDB

166.104.219.163SERVER DATABASE

166.104.219.163FTP

PDAMilestone Client

SQLCE

rcvDB

sndDB

동기화

DTS - SEND

DTS - RECEIVE

Agent Server - scheduling

Thank you!