{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T20:37:02Z","timestamp":1780346222386,"version":"3.54.1"},"publisher-location":"New York, NY, USA","reference-count":39,"publisher":"ACM","license":[{"start":{"date-parts":[[2012,3,27]],"date-time":"2012-03-27T00:00:00Z","timestamp":1332806400000},"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":[],"published-print":{"date-parts":[[2012,3,27]]},"DOI":"10.1145\/2247596.2247635","type":"proceedings-article","created":{"date-parts":[[2012,6,11]],"date-time":"2012-06-11T13:03:31Z","timestamp":1339419811000},"page":"324-335","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":58,"title":["Heuristics-based query optimisation for SPARQL"],"prefix":"10.1145","author":[{"given":"Petros","family":"Tsialiamanis","sequence":"first","affiliation":[{"name":"ICS-FORTH, Heraklion, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lefteris","family":"Sidirourgos","sequence":"additional","affiliation":[{"name":"CWI, Amsterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irini","family":"Fundulaki","sequence":"additional","affiliation":[{"name":"ICS-FORTH, Heraklion, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vassilis","family":"Christophides","sequence":"additional","affiliation":[{"name":"ICS-FORTH, Heraklion, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Boncz","sequence":"additional","affiliation":[{"name":"CWI, Amsterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2012,3,27]]},"reference":[{"key":"e_1_3_2_1_1_1","unstructured":"Yet Another Great Ontology. http:\/\/www.mpi-inf.mpg.de\/yago-naga\/yago.  Yet Another Great Ontology. http:\/\/www.mpi-inf.mpg.de\/yago-naga\/yago."},{"key":"e_1_3_2_1_2_1","first-page":"411","volume-title":"VLDB","author":"Abadi D. J.","year":"2007"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00778-008-0125-y"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1772690.1772696"},{"key":"e_1_3_2_1_5_1","first-page":"364","volume-title":"HPRD: A High Performance RDF Database. In Network and Parallel Computing","author":"Baolin L.","year":"2007"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"crossref","unstructured":"Broekstra J. Kampman A. and van Harmelen F. Sesame: An Architecture for Storing and Querying RDF Data and Schema Information. In Spinning the Semantic Web (2003).  Broekstra J. Kampman A. and van Harmelen F. Sesame: An Architecture for Storing and Querying RDF Data and Schema Information. In Spinning the Semantic Web (2003).","DOI":"10.1007\/3-540-48005-6_7"},{"key":"e_1_3_2_1_7_1","volume-title":"VLDB","author":"Chong E. I.","year":"2005"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/1989323.1989340"},{"key":"e_1_3_2_1_9_1","volume-title":"RDF Support in the Virtuoso DBMS. In In Proc. of the CSSW","author":"Erling O.","year":"2007"},{"key":"e_1_3_2_1_10_1","volume-title":"Networked Knowledge - Networked Media, SCI","author":"Erling O.","year":"2009"},{"key":"e_1_3_2_1_11_1","volume-title":"Freeman","author":"Garey M. R.","year":"1979"},{"key":"e_1_3_2_1_12_1","volume-title":"Cambridge University Press","author":"Gibbons A.","year":"1985"},{"key":"e_1_3_2_1_13_1","volume-title":"ISWC","author":"Harth A.","year":"2007"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-72667-8_40"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2011.103"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-02121-3_53"},{"key":"e_1_3_2_1_17_1","unstructured":"Linked data. http:\/\/linkeddata.org\/.  Linked data. http:\/\/linkeddata.org\/."},{"key":"e_1_3_2_1_18_1","volume-title":"SWDB-ODBIS","author":"Lu J.","year":"2007"},{"key":"e_1_3_2_1_19_1","unstructured":"Manola F. Miller E. and McBride B. RDF Primer. www.w3.org\/TR\/rdf-primer 2004.  Manola F. Miller E. and McBride B. RDF Primer. www.w3.org\/TR\/rdf-primer 2004."},{"key":"e_1_3_2_1_20_1","unstructured":"MonetDB. http:\/\/www.monetdb.org.  MonetDB. http:\/\/www.monetdb.org."},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2011.5767868"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.14778\/1453856.1453927"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1145\/1559845.1559911"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00778-009-0165-y"},{"key":"e_1_3_2_1_25_1","unstructured":"Oracle database semantic technologies. http:\/\/www.oracle.com\/technetwork\/database\/options\/semantic-tech\/index.html.  Oracle database semantic technologies. http:\/\/www.oracle.com\/technetwork\/database\/options\/semantic-tech\/index.html."},{"key":"e_1_3_2_1_26_1","doi-asserted-by":"publisher","DOI":"10.5555\/766502.766504"},{"key":"e_1_3_2_1_27_1","unstructured":"Prud'hommeaux E. and Seaborne A. SPARQL Query Language for RDF. www.w3.org\/TR\/rdf-sparql-query 2008.  Prud'hommeaux E. and Seaborne A. SPARQL Query Language for RDF. www.w3.org\/TR\/rdf-sparql-query 2008."},{"key":"e_1_3_2_1_28_1","unstructured":"http:\/\/librdf.org\/raptor\/.  http:\/\/librdf.org\/raptor\/."},{"key":"e_1_3_2_1_29_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2009.28"},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1145\/1804669.1804675"},{"key":"e_1_3_2_1_31_1","first-page":"2","volume":"1","author":"Sidirourgos L.","year":"2008","journal-title":"PVLDB"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.1145\/1367497.1367578"},{"key":"e_1_3_2_1_33_1","volume-title":"VLDB","author":"Stonebraker M.","year":"2005"},{"key":"e_1_3_2_1_34_1","doi-asserted-by":"publisher","DOI":"10.1007\/11574620_49"},{"key":"e_1_3_2_1_35_1","volume-title":"University of Crete","author":"Tsialiamanis P.","year":"2011"},{"key":"e_1_3_2_1_36_1","volume-title":"AAAI","author":"Udrea O.","year":"2007"},{"key":"e_1_3_2_1_37_1","volume-title":"Computer Science Press","author":"Ullman J. D.","year":"1988"},{"key":"e_1_3_2_1_38_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-13486-9_16"},{"key":"e_1_3_2_1_39_1","doi-asserted-by":"publisher","DOI":"10.14778\/1453856.1453965"}],"event":{"name":"EDBT '12: 15th International Conference on Extending Database Technology","location":"Berlin Germany","acronym":"EDBT '12"},"container-title":["Proceedings of the 15th International Conference on Extending Database Technology"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2247596.2247635","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2247596.2247635","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T08:49:03Z","timestamp":1750236543000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2247596.2247635"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,3,27]]},"references-count":39,"alternative-id":["10.1145\/2247596.2247635","10.1145\/2247596"],"URL":"https:\/\/doi.org\/10.1145\/2247596.2247635","relation":{},"subject":[],"published":{"date-parts":[[2012,3,27]]},"assertion":[{"value":"2012-03-27","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}