improvements and new features
- ajax for interactive subject search
- ajax for sets?
> check examples in google suggest , and oclc suggest
- relationship to dp9
- web 2.0 support (?)
- sindication of searches or alert system (?)
> check examples in OpenSearch
- clicklabe metadata fields in the single_page.jsp to search all documents with the same value.(?)
- search in the result of the previous search (?)
- generate logs suitable for statistics (?)
- advanced search page customizable for register users (?)
- refactor harvester code.
- reduce JSP code to servlet (mainly admin page)
- cleanup database schema
- relevance ranking vs. mysql boolean fulltext search
- refactor database code, commandline sysadmin tool for delete archive?
- show the set name and not the set id in the advanced search.
- show a better organization in the search by subject