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Ranking of query is one of the fundamental problems in information retrieval (IR), [1] the scientific/engineering discipline behind search engines. [2] Given a query q and a collection D of documents that match the query, the problem is to rank, that is, sort, the documents in D according to some criterion so that the "best" results appear early in the result list displayed to the user.
In statistics, ranking is the data transformation in which numerical or ordinal values are replaced by their rank when the data are sorted. For example, if the numerical data 3.4, 5.1, 2.6, 7.3 are observed, the ranks of these data items would be 2, 3, 1 and 4 respectively.
Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]
A bear that rampaged through a Japanese supermarket for two days was lured out with food coated in honey, local officials said. The animal was trapped and later killed on Monday, police said.
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
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In the long history of financial frauds, Enron ranks near the top of the list, with the once high-flying energy trading company suddenly unraveling in a web of lies and accounting sleight-of-hand.
From November 2010 to December 2012, if you bought shares in companies when Raymond J. Lane joined the board, and sold them when he left, you would have a -66.5 percent return on your investment, compared to a 20.4 percent return from the S&P 500.