| Metody Povysheniya Skorosti Poiska Informatsii V Bazakh Dannykh Contributor(s): Kudryavtsev Konstantin (Author), Korotkov Aleksandr (Author) |
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ISBN: 3848419017 ISBN-13: 9783848419012 Publisher: LAP Lambert Academic Publishing OUR PRICE: $50.27 Product Type: Paperback Language: Russian Published: March 2012 |
| Additional Information |
| BISAC Categories: - Computers |
| Physical Information: 0.2" H x 6" W x 9" (0.30 lbs) 84 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: Rassmatrivayutsya novye podkhody k obrabotke tekstovykh dannykh v baze dannykh pozvolyayushchie sokratit' vremya poiska klyuchevykh slov v polnotekstovykh bazakh dannykh, a takzhe original'nyy algoritm razdeleniya uzla v R-dereve pozvolyayushchiy umen'shit' stepen' peresecheniya okhvatyvayushchikh pryamougol'nikov i za schet etogo povysit' skorost' poiska informatsii v prostranstvennykh bazakh dannykh tipa geoinformatsionnykh sistem. V pervoy glave predlagaetsya podkhod sozdaniya poiskovykh sistem na osnove teorii spektral'nogo analiza, s ispol'zovaniem metodov bystrogo preobrazovaniya Fur'e. Vo vtoroy glave predlagaetsya metodika poiska klyuchevykh slov v polnotekstovykh bazakh dannykh na osnove podkhoda analogichnogo postroeniyu diskretnogo veyvlet-preobrazovaniya i sglazhivaniya po metodu skol'zyashchego srednego. Tret'ya glava posvyashchena razrabotke algoritma, pozvolyayushchego sushchestvenno sokratit' vremya vychisleniya rasstoyaniya Levenshteyna s porogovym znacheniem. V chetvertoy glave rassmatrivaetsya original'nyy algoritm razdeleniya uzla R-dereva, pozvolyayushchiy sokratit' stepen' peresecheniya okhvatyvayushchikh pryamougol'nikov. |