{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T23:01:34Z","timestamp":1791154894051,"version":"4.1.0"},"reference-count":35,"publisher":"American Chemical Society (ACS)","issue":"3","license":[{"start":{"date-parts":[[2015,4,14]],"date-time":"2015-04-14T00:00:00Z","timestamp":1428969600000},"content-version":"vor","delay-in-days":3338,"URL":"https:\/\/pubs.acs.org\/page\/policy\/authorchoice_ccby_termsofuse.html"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2006,5,22]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The Blue Obelisk Movement (http:\/\/www.blueobelisk.org\/) is the name used by a diverse Internet group promoting reusable chemistry via open source software development, consistent and complimentary chemoinformatics research, open data, and open standards. We outline recent examples of cooperation in the Blue Obelisk group:\u2009 a shared dictionary of algorithms and implementations in chemoinformatics algorithms drawing from our various software projects; a shared repository of chemoinformatics data including elemental properties, atomic radii, isotopes, atom typing rules, and so forth; and Web services for the platform-independent use of chemoinformatics programs.<\/jats:p>","DOI":"10.1021\/ci050400b","type":"journal-article","created":{"date-parts":[[2007,5,30]],"date-time":"2007-05-30T07:27:58Z","timestamp":1180510078000},"page":"991-998","source":"Crossref","is-referenced-by-count":350,"title":["The Blue Obelisk\u2014Interoperability in Chemical Informatics"],"prefix":"10.1021","volume":"46","author":[{"given":"Rajarshi","family":"Guha","sequence":"first","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael T.","family":"Howard","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geoffrey R.","family":"Hutchison","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Murray-Rust","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henry","family":"Rzepa","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph","family":"Steinbeck","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00f6rg","family":"Wegner","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Egon L.","family":"Willighagen","sequence":"additional","affiliation":[{"name":"Pennsylvania State University, University Park, Pennsylvania 16804-3000, Jmol Project, U. S. A., Cornell University, Ithaca, New York 14853, Cambridge University, Cambridge CB2 1TN, Great Britain, Imperial College, London SW7 2AZ, Great Britain, Cologne University Bioinformatics Center (CUBIC), Zu\u0308lpicher Str. 47, D-50674 Ko\u0308ln, Germany, University of Tu\u0308bingen, Tu\u0308bingen, Germany, and Jmol project, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2006,2,22]]},"reference":[{"key":"2026090214050003000_elcit726379593","doi-asserted-by":"publisher","first-page":"493","DOI":"10.1021\/ci025584y","article-title":"The Chemistry Development Kit (CDK):\n An open-source Java library for chemo- and bioinformatics","volume":"43","author":"Steinbeck","year":"2003","journal-title":"J. Chem. Inf. Comput. 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