#495

Field L M

FieldLM FI_FIELD_LM
Unigram linguistic model. The language model is modeled by document, smoothed by the general language model. When building a model by document, information about what field of the document the query word occurred in (Title, head, or plain text) is used

group

  • BM25F

tags

  • doc
  • doc text
  • dynamic
  • rearr use
  • undocumented
  • l2
  • nn over features use

Details

index 495
cppName FI_FIELD_LM
name FieldLM
group BM25F
tags TG_DOC,TG_DOC_TEXT,TG_DYNAMIC,TG_REARR_USE,TG_UNDOCUMENTED,TG_L2,TG_NN_OVER_FEATURES_USE
description Униграммная языковая модель. Моделируется языковая по документу, сглаживается общеязыковой моделью. При построении модели по документу используется информацию о том, в каком поле документа встретилось слово запроса (Title, head или plain text)
authors ylogachev
responsibles ylogachev
The ranking factor information on this page is based on the leaked source code repository of the Yandex Search Engine. For the purpose of this project, the source was transformed into JSON and descriptions were translated into English. The source is publicly available devidw/yandex-ranking-factors.
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