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Regain is a Java search engine based on Jakarta Lucene. It provides indexing and searching files for plenty of formats (HTML,XML,doc(x),xls(x),ppt(x),oo,PDF,RTF,mp3,mp4,Java). A TagLibrary eases integrating search results in your JSP based web page.
Our aim is to enable Web applications to consume linked data from the Web. With SQUIN (Semantic Web Query Interface) we will provide a Web data query service as an addition to the LAMP technology stack. This service executes queries over the whole We
High performance distributed in-memory key/value store
Infinispan is an open source, Java based data grid platform. ***IMPORTANT*** Starting with Infinispan 5.0.0.FINAL, Infinispan releases are no longer hosted in Sourceforge. They can now be located in www.jboss.org/infinispan/downloads
Ex-Crawler is divided into 3 subprojects (Crawler Daemon, distributed gui Client, (web) search engine) which together provide a flexible and powerful search engine supporting distributed computing. More informations: http://ex-crawler.sourceforge.net
Egothor is a high-performance, full-featured text search engine written entirely in Java. It is a technology suitable for nearly any application that requires full-text search.
Web-as-corpus tools in Java.
* Simple Crawler (and also integration with Nutch and Heritrix)
* HTML cleaner to remove boiler plate code
* Language recognition
* Corpus builder
Other spiders has a limited link depth, follows links not randomized or are combined with heavy indexing machines. This spider will has not link depth limits, randomize next url, that will be checked for new urls.
nxs crawler is a program to crawl the internet. The program generates random ip numbers and attempts to connect to the hosts. If the host will answer, the result will be saved in a xml file. After than the crawler will disconnect... Additionally you can
JeCARS (Java Extendable Contents And Rights System) is a RESTful webservice which delivers pluggable output formats, e.g. Atom feeds or HTML.
Third party applications can be plugged in.
A JCR (JSR-170) repository (Jackrabbit) is used for storage.
Hyper Estraier is a full-text search system. It works as with Google, but based on peer-to-peer architecture. Using Hyper Estraier, we can construct a large-scaled search engine with cheap computers.
Sharehound is a network file systems indexer and searcher written in Java. Currently supports SMB file shares (i.e. MS Windows-based shares) and FTP resources. Web UI is used for search and crawl monitoring. RSS feed is provided for search results.
Piscator is a small SQL/XML search engine. Once an XML feed is loaded, it can be queried using plain SQL. The setup is almost identical to the DB2 side tables approach.
Aracnis is a Java based framework for building distributed web spiders. These spiders can be used to accomplish a variety of tasks, for example, screen-scraping and link integrity checking.
Cross-platform searchable CD-ROM. Vicaya is a search engine and indexing tool for use on a local file system or CDROM, written in Java and based on Apache Nutch, and Tomcat. The goal is to replicate a website on a CD-ROM to be used on any platform.
Searchy is a distributed metainformation search engine whose main goal is to federate search systems and integrate information. It uses RDF as abstract information model and may be used with Dublin Core, FOAF, vCard, etc
Lude is an XML-RPC Lucene Daemon written in Java. Clients in any environment can create indexes, add/update/delete documents, and query the index through a simple XML-RPC API.
FTPSearch/Agent is a fully functional ftp indexing & searching engine for medium local networks (20-200 servers). Unique associative extend of searching allows you to garther much relevant results. FTPSearch/Agent is written in java and PHP and use MySQL
Provides efficient, effective implementations of 32- and 64-bit hash functions based on Rabin fingerprints / irreducible polynomials, in Java. Also provides integration with java.security.MessageDigest API.
juNK (java useful Net Kollektor) is a j2ee webcontainer based application capable of searching and indexing SMB/ CIFS shares in local networks. Every SMB/ CIFS Share (Linux, Windows, ...) is indexed in a database and can be searched via a web frontend.
Cross platform full text indexing, search, and preview. Supports any document that can be converted to plain text. Web-Start ready, 100% Java, uses the lucene search engine.