1998 headquarters waltham ma key people barak pridor ceo dr. yonatan aumann cofounder and vp of product strategy products clearforest text analytics suite number of employees 60 2006 website www.clearforest.com clearforest was a software company that developed and marketed text analytics and text mining solutions . founded in 1998 clearforest had its headquarters just outside boston and had development in israel near tel aviv . it was acquired by reuters in april 2007 . it now commercializes its services under the names calais opencalais and onecalais . clearforest was previously venture backed ; its last funding round was led by greylock ventures and closed in 2005 . other investors included db capital partners pitango walden israel booz allen jp morgan partners and harbourvest partners . contents 1 company history 2 solutions and products 3 references 4 external links company history edit on february 7 2008 reuters announced the launch of open calais 1 a named entity recognition and semantic analysis service that uses clearforest technology . on april 30 2007 reuters 2 announced that it would acquire clearforest . sources estimate the acquisition to be for 25 million . solutions and products edit clearforest offers several hosted solutions including opencalais a free web service and open api for commercial and non commercial use that performs named entity recognition and enables automatic metadata generation using the clearforest financial module . semantic web services sws an on demand service that makes clearforest s natural language processing tools available as a standard web service . a subset of clearforest s capabilities is available via sws at no cost . gnosis a free firefox extension that uses sws to analyze the content of a web page . gnosis identifies named entities such as people companies organizations geographies and products on the page being viewed . gnosis also automatically processes pages from wikipedia providing additional links for people geographies and other entities which were not explicitly linked within the subject article . harvest a real time machine readable news service that uses sws to process a company s news and document feeds and return machine readable information about people companies locations and over 200 other entities facts and events . clearforest also offers text analytics solutions targeted at specific business problems including equity valuation for hedge funds and alternative investments firms metadata & database creation for publishers and information providers services tapping voice of customer for market and survey research firms quality early warning for vehicle capital equipment & durable goods manufacturers references edit calais . retrieved september 1 2010 . eric auchard 30 april 2007 . reuters to acquire text search firm clearforest . retrieved september 1 2010 . external links edit clearforest web site clearforest semantic web services and gnosis firefox extension web site retrieved from https en.wikipedia.org w index.php title clearforest & oldid 743868412 categories software companies based in massachusettsnatural language processingcomputational linguisticssoftware companies established in 1998companies based in massachusettssoftware companies of israel1998 establishments in massachusettsdefunct software companies of the united states navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 11 october 2016 at 18 45 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view