Writing Script for an information aggregation Website

Dear Freelancers, I have several Domain Names reserved for a particular topic/ areas of interest. The topic is futuristic and there are basic informations available in several languages in Text, Images and video format about the topics I wish to cover. My idea is to have an aggregator Website for all the informations available in the internet. So there won't be any contents produced on my own. I have noted down what I want with "Priority". Since my budget is very small (as an individual), I would decide based on the quotes, whether to get only Priority 1 stuff done or priority 1 & 2 or all the priorities could be catered. Priority 1] All of the content will be collected from other websites via users, webmasters, or RSS feeds. The sole purpose is to ensure that the interested persons/ Users have access to the very latest and popular informations/ news/ contents. The aggregator site will display content with complete attribution and a link back to the original creator. Priority 2] The gathered information should be processed to regroup, categorize, tag and rank informations from all major sources. Thus, this is not just randomly placing the collected information (Priority 1) but also putting it in a bit sofasticated way . If the script could automatically determine in which category each news item belongs using a some kind of classifier then several Menustructures could be filled in automatically instead of allocating the news manually. Priority 3] Finally, it examines multiple parameters (such as timeliness, rate of appearance on the web, number of sources reporting the news, etc) for each news group. The result is some kind of score which represents the relative importance of a news item. Thus the information could be automatically sorted and placed prominently. I need your quotes (the lowest will win) for my priorities. I am not in a hurry to launch this site but want to use the registered domains and make them relevant instead of using them after couple of years.