Editing Jim Gray (computer scientist) (section)

==Disappearance==
[[File:Jim Gray on Tenacious 2006.jpg|thumb|Jim Gray on his yacht ''Tenacious'' in 2006|289x289px]]
Gray, an experienced sailor, owned a {{convert|40|foot|m}} sailboat. On January 28, 2007, he failed to return from a short solo trip to scatter his mother's ashes at the [[Farallon Islands]] near [[San Francisco]].<ref name="memoir">{{cite journal |first1=Gordon |last1=Bell |author1-link=Gordon Bell |author2-link=Leslie Lamport |first2=Leslie |last2=Lamport |author3-link=Butler Lampson |first3=Butler W. |last3=Lampson |title=James N. Gray |journal=Biographical Memoirs |date=2013 |citeseerx=10.1.1.369.4753 |publisher=National Academy of Sciences |location=Washington, DC }}</ref> The weather was clear, and no distress call was received, nor was any signal detected from the boat's automatic [[Emergency Position-Indicating Radio Beacon]].

A four-day [[United States Coast Guard|Coast Guard]] search using planes, helicopters, and boats found nothing.<ref name="sfgate">{{cite news | date = January 29, 2007 | url = http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2007/01/29/BAGB5NR0GL6.DTL | title = Coast Guard searches for missing SF boater: 63-year-old man failed to return from trip to Farallon Islands | work = [[San Francisco Chronicle]]}}</ref><ref name="sfgate2">{{cite news | date = January 30, 2007 | url = http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2007/01/30/BAGGTNR93G1.DTL&type=printable | title = Sea search for missing Microsoft scientist: No sign of S.F. man who set out alone for Farallon Islands in 40-foot sailboat | work = [[San Francisco Chronicle]] | first = Jim | last = Doyle | access-date = January 30, 2007 | archive-date = June 9, 2012 | archive-url = https://web.archive.org/web/20120609102308/http://www.sfgate.com/cgi-bin/article.cgi?file=/c/a/2007/01/30/BAGGTNR93G1.DTL&type=printable | url-status = dead }}</ref><ref name="sfgate4">{{cite news | date = January 31, 2007 | url = http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2007/01/31/BAGTONS9084.DTL&type=printable | title = Search for missing sailor extends to Humboldt | work = [[San Francisco Chronicle]] | first1 = Tanya | last1 = Schevitz | first2 = Steve | last2 = Rubenstein | access-date = January 31, 2007 | archive-date = June 9, 2012 | archive-url = https://web.archive.org/web/20120609102346/http://www.sfgate.com/cgi-bin/article.cgi?file=/c/a/2007/01/31/BAGTONS9084.DTL&type=printable | url-status = dead }}</ref><ref name="sfgate5">{{cite news | date = January 31, 2007 | url = http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2007/01/31/MNGPMNRVD137.DTL&type=printable | title = Vast search off coast for data wizard | work = [[San Francisco Chronicle]] | first1 = Meredith | last1 = May | first2 = Jim | last2 = Doyle | access-date = January 31, 2007 | archive-date = June 9, 2012 | archive-url = https://web.archive.org/web/20120609102422/http://www.sfgate.com/cgi-bin/article.cgi?file=/c/a/2007/01/31/MNGPMNRVD137.DTL&type=printable | url-status = dead }}</ref>
On February 1, 2007, the [[DigitalGlobe]] satellite scanned the area<ref name="nythafner">{{cite news |last=Hafner |first=Katie |author-link=Katie Hafner| date=February 3, 2007 |title=Silicon Valley's High-Tech Hunt for Colleague |url=https://www.nytimes.com/2007/02/03/technology/03search.html?ex=1328158800&en=e58764b50c8a4508&ei=5090&partner=rssuserland&emc=rss |access-date=May 6, 2010 |work=[[New York Times]]}}</ref> and the thousands of images were posted to [[Amazon Mechanical Turk]]. Students, colleagues, and friends of Gray, and computer scientists around the world formed a "Jim Gray Group" to study these images for clues. On February 16 this search was suspended,<ref>{{cite news|date=February 16, 2007|url=http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2007/02/16/state/n181516S21.DTL&hw=jim+gray&sn=001&sc=1000|title=Friends of missing computer scientist suspend search for him|work=[[San Francisco Chronicle]]|archive-url=https://archive.today/20070305093740/http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2007/02/16/state/n181516S21.DTL&hw=jim+gray&sn=001&sc=1000|archive-date=2007-03-05|url-status=dead}}</ref> and an underwater search using sophisticated equipment ended May 31.<ref name="Searching for Jim Gray"/><ref>{{cite web|url=https://www.mturk.com/mturk/preview?groupId=J0XZ58STDWJZ5QY4F9M0|title=Amazon Mechanical Turk - All HITs|work=mturk.com|access-date=2 July 2015}}</ref><ref>{{cite web|url=http://www.openphi.net/tenacious/|title=Tenacious Search|work=openphi.net|access-date=2 July 2015|url-status=dead|archive-url=https://web.archive.org/web/20150703024036/http://www.openphi.net/tenacious/|archive-date=3 July 2015}}</ref><ref>[http://www.helpfindjim.com/index.html Help Find Jim] {{Webarchive|url=https://web.archive.org/web/20070927035110/http://www.helpfindjim.com/index.html |date=2007-09-27 }} Information to help locate Jim Gray</ref><ref>[http://www.helpfindjim.com/printposter.html Print a MISSING Poster] {{Webarchive|url=https://web.archive.org/web/20121116121520/http://www.helpfindjim.com/printposter.html |date=2012-11-16 }} Hang a MISSING Poster in Southern California and Mexico.</ref>

Marine search expert Bob Bilger explains that the type of boat used by Gray, a [[C&C 40]] is vulnerable to hull damage, and can sink as quickly as in 30 seconds, also taking any equipment with it, not leaving any loose debris.<ref>[https://www.wired.com/techbiz/people/magazine/15-08/ff_jimgray Inside the High-Tech Hunt for a Missing Silicon Valley Legend], [[Wired Magazine]] (August 2007)</ref>

The [[University of California, Berkeley]] and Gray's family hosted a tribute on May 31, 2008.<ref>{{cite web|url=http://www.eecs.berkeley.edu/IPRO/JimGrayTribute|title=Industry|last=root|date=16 February 2016}}</ref> Five years after the disappearance, Carnes petitioned a court to have her husband declared dead and on January 28, 2012, Gray was [[Declared death in absentia|declared legally dead]].<ref name="JG_DecDeath_CACM072012">{{cite journal |last=Greengard |first=Samuel |date=June 2012 |title=Jim Gray Declared Dead |journal=[[Communications of the ACM]] |volume=55 |issue=7 |page=19 |doi=10.1145/2209249.2209257|editor1-first=Moshe |editor1-last=Vardi |editor1-link=Moshe Y. Vardi |issn=0001-0782|doi-access= |s2cid=37344941 }}</ref><ref>{{cite news |work=The New York Times |title=Closure in Disappearance of Computer Scientist |first=Nick|last= Wingfield |date=May 18, 2012 |access-date=May 18, 2012 |url=http://bits.blogs.nytimes.com/2012/05/18/closure-in-disappearance-of-computer-scientist-jim-gray/}}</ref><ref name="cnn-closure">{{Cite web |last=Basu |first=Moni |date=2014-04-12 |title=Living in limbo: Grieving gets tougher when there's no body to bury |url=https://www.cnn.com/2014/04/12/us/malaysia-airlines-grief-no-closure/index.html |access-date=2024-06-19 |website=CNN |language=en}}</ref>

In 2012, Carnes co-authored a paper on coping with [[ambiguous loss]].<ref>"The Myth of Closure", Family Process, Vol. 51, No. 4, 2012</ref> In 2014, in conjunction with the disappearance of [[Malaysia Airlines Flight 370]], CNN interviewed Carnes.<ref name="cnn-closure"/> At the time, she lived with her elderly mother who was suffering from dementia in Wisconsin.