About the Cat-a-Cone  
   A novel user interface that integrates search and browsing of very large category hierarchies with their associated text collections. Features technical papers.
   http://www.sims.berkeley.edu/~hearst/cac-overview.html

About Scatter/Gather  
   Using text clustering as a way to group document according to the overall similarities in their content. Features background information, examples and technical papers.
   http://www.sims.berkeley.edu/~hearst/sg-overview.html

About TileBars  
   An interface which attempts to show the user, graphically, the relationship between the words in the query and the documents retrieved. Features technical papers and commercial and other uses.
   http://www.sims.berkeley.edu/~hearst/tb-overview.html

Eidetica  
   Netherlands firm offers search and text mining solutions on a hosting basis. Features services, support, portfolio and contact information.
   http://www.eidetica.com/

Text Mining and the Knowledge Management Space  
   A Semio Corporation white paper.
   http://www.dmreview.com/portal_ros.cfm?NavID=92&WhitePaperID=80&PortalID=17

Untangling Text Data Mining  
   Defines data mining, information access, and corpus-based computational linguistics, and then discusses the relationship of these to text data mining. The intent behind these contrasts is to draw attention to exciting new kinds of problems for computation
   http://www.sims.berkeley.edu/~hearst/papers/acl99/acl99-tdm.html

Pertinence Mining  
   Automatic text summarization tools. Includes contact information.
   http://www.pertinence.net/

Automatic Resource Compilation by Analyzing Hyperlink Structure and Associated Text  
   Describes the design, prototyping and evaluation of ARC, a system for automatically compiling a list of authoritative Web resources on any sufficiently broad topic. Features resources and references.
   http://decweb.ethz.ch/WWW7/1898/com1898.htm

Text Mining at Waikato  
   The Text Mining group at the University of Waikato in New Zealand. With a focus on Viterbi search and entropy-based methods the group has a compression feel to it.
   http://www.cs.waikato.ac.nz/~nzdl/textmining/

TextAnalyst  
   TextAnalyst is a unique text mining tool, using a semantic network for retrieval, clustering, classification, summarization, and natural language querying.
   http://www.megaputer.com/products/ta/index.php3

WordStat  
   Module specifically designed to study textual information. Features screen shots and purchasing information.
   http://www.simstat.com/wordstat.htm

TextAI: Text Analysis International  
   Provides NLP applications based on its proprietary VisualText technology. Product and service information, online software tour and documentation.
   http://www.textanalysis.com/

Text Mining, Web Mining, Information Retrieval and Extraction from the WWW References  
   Links to reviews and analyses of text mining research. Features online presentations, white papers and other projects, papers, people and products.
   http://filebox.vt.edu/users/wfan/text_mining.html

Text Mining Community  
   Provide a web home for people interested in text mining related technologies, with a mailing list and a resources section.
   http://www.text-mining.org

A Roadmap to Text Mining and Web Mining  
   A list of resources including links to working groups, products, conferences and workshops.
   http://www.cs.utexas.edu/users/pebronia/text-mining/

WebAnalyst  
   Profiles the content of a web page, or from a content database, and uses data mining techniques to associate profiled content dynamically during a browsing session.
   http://www.megaputer.com/products/wa/index.php3

Machine Learning in Automated Text Categorization  
   Survey discussing the main approaches to text categorization that fall within the machine learning paradigm. By Fabrizio Sebastiani, in ACM Computing Surveys. [PDF Format]
   http://faure.iei.pi.cnr.it/~fabrizio/Publications/ACMCS02.pdf

Automated Info Solutions  
   Products and services offering automated collection of data from public web sites. Features overviews and contact information.
   http://www.automated-info-solutions.com/

Leximancer  
   Bayesian based technology for mapping and mining concepts in large text collections. Features overview, services, technique, gallery and contact information.
   http://www.leximancer.com/index.html

Extraction of Knowledge from Unstructured Text  
   A comprehensive and annotated survey of knowledge extraction from text, in the form of Powerpoint PDF slides.
   http://www.mitre.org/work/tech_papers/tech_papers_01/maybury_unstructured/

Systems Services - Web Data Retrieval  
   Develops applications to search out and retrieve data from web pages and e-mail archives and provides turnkey services to find and retrieve information from the web, XML databases or stores of incoming e-mail. Features contact information.
   http://www.logical.btinternet.co.uk/webinf.htm

WEB-Observer  
   Automated system of retrieving and structuring information from open Internet sources and corporate warehouses. Features demo, news, FAQs and contact information.
   http://www.webobserver.co.uk

Compris Intelligence  
   Offers solutions for understanding textual content and the automatic comprehension of text meaning by a computer. Features products, news and contact information.
   http://www.compris.com/

Delft-Cluster TextMiner  
   Internet-based set of tools for text analysis including categorisation and summarization of documents. Online demo.
   http://www.delft-cluster.nl/textminer/

NetOwl - Intelligent Content Management  
   Features of the tools named Extractor, Summarizer, TextMiner and InstaLink.
   http://www.netowl.com/

SAS Text Miner  
   Included in the famous SAS set of tools for quantitative data analysis, the module for text analysis includes clustering algorithms, document categorisation and data extraction. Overview and screenshots.
   http://www.sas.com/technologies/analytics/datamining/textminer/

Shailendra Singh  
   Ongoing Phd on User Preferences concerning Search Engines in the framework of Rough-Fuzzy Theory : CV and publications.
   http://shails.topcities.com/

Synthema  
   Features, demo and case studies of Twid Expert and Temis Online Miner/Categorizer.
   http://www.synthema.it/textmining/

AvaQuest  
   Offers training, integration, and custom development for applications of text mining, search, and categorization. Features white papers, testimonials, and contact information.
   http://www.avaquest.com

TextMining.org  
   Information, links, download and faq on text mining and natural language processing.
   http://www.textmining.org/

Intelligent Miner for Text  
   Turns unstructured information into business knowledge; includes components for building advanced text mining and text search applications. Features library, news, how to buy, events, training and certification, support and services.
   http://www-306.ibm.com/software/data/iminer/fortext/

Indexer from Xanalys  
   Automatic extraction of entities and cross references from texts.
   http://www.xanalys.com/solutions/indexer.html