44300 Article DB filler

The project is for a script that will get articles from free article websites and put them into a database. Requirements: 1. Easy to use admin area. 2. The script will search for new articles and add them to the database. Articles must be unique (no duplicates). 3. Easy updating of database is a must. Preferable a button [Get new articles] to get the newest articles. 4. When updating, it must prevent the database from having duplicate content. 5. Database must have categories and when needed subcategories. 6. When getting the articles from the article websites it must put them in the right category automatically. 7. Script must be able to search the database and make a new article database based on the words searched for. 8. Database needs to take as little hard disk space as possible, while containing as many articles as possible. Project needs to be finished on time! Within two weeks of choosing a programmer. Good luck bidding!