Catalogo is a system for cataloguing resources on a web site. It allows semantic search of information on an intranet using metadata, RDF and ontology concepts. It provides a Catalog server (Java web applications) and a Catalog client (Firefox plug-in).
A fusion of several open-source libraries and a web application to parse and filter RSS feeds, as well as generate RSS feeds based on user defined search terms
It is a search engine using Lucene and wordnet. It is basically for analysis of query expansion. Lucene and wordnet are really wonderful tool. It make life much easy.
S3B - Social Semantic Search and Browsing - is a middleware that delivers a set of search and browsing components that can be used in J2EE web applications to deliver user-oriented features based on semantic descriptions and social networking
The Web Search Ajax-like result Portal Framework Lib(WASP-lib) is based on an innovative concept to design a web 2.0 style sorting index page from original search result UI. It can improve the normal web search result UI performance to much better level
True-Hybrid Web Search Engine, which is designed to organize a web-based information by making heavy use of a mutually beneficial collaboration between Human and Artificial Intelligence.