Complex sentence: In 2010, Yandex launched its "Poltava" search engine algorithm for Ukrainian users, based on Yandex's MatrixNet technology and ranking local resources higher for location-based queries.
Split into simpler sentences: In 2010, Yandex launched "Poltava" search engine algorythm for Ukrainian users. The engine based on Yandex's MatrixNet technology and ranked local resources higher for location-based queries.