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Learning to rank [1] or machine-learned ranking (MLR) is the application of machine learning, typically supervised, semi-supervised or reinforcement learning, in the construction of ranking models for information retrieval systems. [2]
Preference learning can be used in ranking search results according to feedback of user preference. Given a query and a set of documents, a learning model is used to find the ranking of documents corresponding to the relevance with this query. More discussions on research in this field can be found in Tie-Yan Liu's survey paper. [6]
As another example, the ordinal data hot, cold, warm would be replaced by 3, 1, 2. In these examples, the ranks are assigned to values in ascending order, although descending ranks can also be used. Ranks are related to the indexed list of order statistics, which consists of the original dataset rearranged into ascending order.
American country music singer-songwriter Garth Brooks has released 16 studio albums, two live albums, and fifty-one singles.He has sold estimated over 170 million records worldwide, [1] making him one of the best-selling music artists in history.
The album's title of "Learning to Crawl" was given in honour of Chrissie Hynde's then-infant daughter, Natalie Rae Hynde. She was learning to crawl at the time that Hynde was trying to determine a title for the album. Learning to Crawl was a critical and commercial success, reaching number 11 on the UK Albums Chart.
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Peak chart positions US [1] US R&B [2] CAN [4] UK [10] Temptations Live! 1967 10 1 20 20 Live at the Copa: 1968 15 2 — — Live at London's Talk of the Town: 1970 21 5 — — The Temptations in Japan: 1973 — — — — "—" denotes releases that did not chart or were not released in that territory.
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