Queries Have a Filter and a Ranking Component

@SQuery{

FilterExpression{48}: ((author “Ullman”) and

(title stem “databases”))

RankingExpression{61}: list((body-of-text “distributed”)

(body-of-text “databases”))

DefaultLanguage{5}: en-US

AnswerFields{12}: title author

MinDocumentScore{3}: 0.5

MaxNumberDocuments{2}: 10}

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