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"Kurt Gesell (born July 8, 1941) is a former provincial level politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1989 to 1993. Political career Gesell ran as a candidate for the Progressive Conservatives in the 1989 Alberta general election. He won the electoral district of Clover Bar holding it for the Progressive Conservatives in a hotly contested three-way race that saw all three candidates finish within 200 votes of each other. During his first term in office Gessell left the Progressive Conservative caucus and sat as an independent and broke party lines to vote against Bill 66 Members of the Legislative Assembly Pension Plan Amendment Act, 1993. He also left the caucus for the lack of free votes and free speech in the legislature. Clover Bar electoral district was abolished due to redistribution in 1993, Gesell ran for a second term in office as an independent candidate in the 1993 Alberta general election in the new electoral district of Clover Bar-Fort Saskatchewan. He was defeated by Liberal candidate Muriel Abdurahman. References External links *Legislative Assembly of Alberta Members Listing Category:Living people Category:Independent Alberta MLAs Category:Progressive Conservative Association of Alberta MLAs Category:German emigrants to Canada Category:1941 births "
"In computer science, schema versioning and schema evolution, deal with the need to retain current data and software system functionality in the face of changing database structure. The problem is not limited to the modification of the schema. It, in fact, affects the data stored under the given schema and the queries (and thus the applications) posed on that schema. A database design is sometimes created as a "as of now" instance and thus schema evolution is not considered. (This is different but related to where a database is designed as a "one size fits all" which doesn't cover attribute volatility). This assumption, almost unrealistic in the context of traditional information systems, becomes unacceptable in the context of systems that retain large volumes of historical information or those such as Web Information Systems, that due to the distributed and cooperative nature of their development, are subject of an even stronger pressure toward change (from 39% to over 500% more intense than in traditional settings). Due to this historical heritage the process of schema evolution is nowadays a particularly taxing one. It is, in fact, widely acknowledged that the data management core of an applications is one of the most difficult and critical components to evolve. The key problem is the impact of the schema evolution on queries and applications. As shown in (which provides an analysis of the MediaWiki evolution) each evolution step might affect up to 70% of the queries operating on the schema, that must be manually reworked consequently. The problem has been recognized as a pressing one by the database community for more than 12 years. Supporting Schema Evolution is a difficult problem involving complex mapping among schema versions and the tool support has been so far very limited. The recent theoretical advances on mapping composition and mapping invertibility, which represent the core problems underlying the schema evolution remains almost inaccessible to the large public. The issue is particular felt by temporal databases. Related works * A rich bibliography on Schema Evolution is collected at: http://se-pubs.dbs.uni- leipzig.de/pubs/results/taxonomy%3A100 * UCLA university carried out an analysis of the MediaWiki Schema Evolution: Schema Evolution Benchmark * PRISM, a tool to support graceful relational schema evolution: Prism: schema evolution tool *PRIMA, a tool supporting transaction time databases under schema evolution PRIMA: supporting transaction-time DB under schema evolution *Pario and deltasql are examples of software development tools that include fully automated schema evolution. References Category:Data modeling "
"Lorenzo 'Laurie' Serafini (born 1 November 1958) is a former Australian rules footballer who played with Fitzroy in the VFL during the late 1970s and mid 1980s, having been recruited from Assumption College Kilmore and the PDJFA. He is the younger brother of Renato Serafini, who also played for Fitzroy in the 1970's. From an Italian background, his parents, Carlo and Adelina hailed from Marostica, in the Veneto region of Italy. Serafini started as a full forward, kicking a goal with his first kick in League football, and a total of four on debut. However in his second season was moved onto the wing, half back flank, and later cemented the fullback spot, when Harvey Merrigan retired. In 1983 he alternated between half back flank and full back; and was Fitzroy's top vote getter in the 1983 Brownlow Medal count.He was club vice captain 1981-1982, and a three time Victorian representative. Serafini remained involved in football after injuries caused his premature retirement, writing part time for the newly launched Sunday Age and reporting on the famous 1989 Grand Final. In 1998 when his old club merged with the Bears he became a director at the Brisbane Lions. At the end of 1998, Serafini assisted Andrew Ireland ( CEO ) to interview Leigh Matthews as the Club's next coach, leading to the 2001, 2002 and 2003 Brisbane Lions Premierships. He remained on the Board for 14 years. References * *Holmesby, Russell and Main, Jim (2007). The Encyclopedia of AFL Footballers. 7th ed. Melbourne: Bas Publishing. Category:1958 births Category:Living people Category:Fitzroy Football Club players Category:Australian rules footballers from Victoria (Australia) Category:Victorian State of Origin players "