{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:53:09Z","timestamp":1750308789622,"version":"3.41.0"},"reference-count":6,"publisher":"Association for Computing Machinery (ACM)","issue":"2","license":[{"start":{"date-parts":[[2009,12,1]],"date-time":"2009-12-01T00:00:00Z","timestamp":1259625600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["SIGecom Exch."],"published-print":{"date-parts":[[2009,12]]},"abstract":"<jats:p>The Editor's Puzzle published in SIGeom Exchanges 8.1 was based on an ancient Japanese prophecy [Conitzer 2009]. It was concerned with the complications associated with determining the champion of all warriors. What follows is a synthesis of two correct solutions that were received.<\/jats:p>","DOI":"10.1145\/1980522.1980533","type":"journal-article","created":{"date-parts":[[2011,5,17]],"date-time":"2011-05-17T12:59:03Z","timestamp":1305637143000},"page":"1-2","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Solution to Exchanges 8.1 puzzle"],"prefix":"10.1145","volume":"8","author":[{"given":"St\u00e9phane","family":"Airiau","sequence":"first","affiliation":[{"name":"ILLC, University of Amsterdam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ulle","family":"Endriss","sequence":"additional","affiliation":[{"name":"ILLC, University of Amsterdam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph Y.","family":"Halpern","sequence":"additional","affiliation":[{"name":"Cornell University"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2009,12]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/1598780.1598792"},{"key":"e_1_2_1_2_1","doi-asserted-by":"crossref","unstructured":"Fagin R. Halpern J. Y. Moses Y. and Vardi M. Y. 1995. Reasoning About Knowledge. MIT Press Cambridge Mass. Fagin R. Halpern J. Y. Moses Y. and Vardi M. Y. 1995. Reasoning About Knowledge . MIT Press Cambridge Mass.","DOI":"10.7551\/mitpress\/5803.001.0001"},{"key":"e_1_2_1_3_1","unstructured":"Gamow G. and Stern M. 1958. Puzzle Math. Viking Press New York. Gamow G. and Stern M. 1958. Puzzle Math . Viking Press New York."},{"volume-title":"Puzzles From Other Worlds","author":"Gardner M.","key":"e_1_2_1_4_1","unstructured":"Gardner , M. 1984. Puzzles From Other Worlds . Viking Press , New York . Gardner, M. 1984. Puzzles From Other Worlds. Viking Press, New York."},{"key":"e_1_2_1_5_1","unstructured":"Littlewood J. E. 1953. A Mathematician's Miscellany. Methuen and Co. London. Littlewood J. E. 1953. A Mathematician's Miscellany . Methuen and Co. London."},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01661170"}],"container-title":["ACM SIGecom Exchanges"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1980522.1980533","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/1980522.1980533","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T20:22:52Z","timestamp":1750278172000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1980522.1980533"}},"subtitle":["identifying the champion"],"short-title":[],"issued":{"date-parts":[[2009,12]]},"references-count":6,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2009,12]]}},"alternative-id":["10.1145\/1980522.1980533"],"URL":"https:\/\/doi.org\/10.1145\/1980522.1980533","relation":{},"ISSN":["1551-9031"],"issn-type":[{"type":"electronic","value":"1551-9031"}],"subject":[],"published":{"date-parts":[[2009,12]]},"assertion":[{"value":"2009-12-01","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}