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政采云技术
政采云技术
Aug 23, 2022 · Backend Development

Understanding Elasticsearch Document Scoring and Aggregation Techniques

This article explains the underlying principles of Elasticsearch scoring, covering Boolean model queries, TF/IDF, field length normalization, the vector space model, and detailed aggregation examples with code snippets to illustrate practical search and analytics usage.

ElasticsearchScoringSearch
0 likes · 19 min read
Understanding Elasticsearch Document Scoring and Aggregation Techniques
DataFunSummit
DataFunSummit
Jul 31, 2021 · Artificial Intelligence

Credit Risk Strategies: From Rule‑Based Scoring to Machine Learning Models

This article presents a comprehensive overview of credit risk control strategies, covering industry background, traditional scoring‑card development, data integration, feature engineering, model evaluation, rate and limit optimization, and advanced machine‑learning approaches for loan underwriting.

Risk ModelingScoringfinancial analytics
0 likes · 11 min read
Credit Risk Strategies: From Rule‑Based Scoring to Machine Learning Models
php Courses
php Courses
Nov 24, 2020 · Backend Development

Implementing a Match‑3 (Happy Elimination) Game Algorithm in PHP

This article explains the requirements, scoring rules, and complete PHP implementation of a classic 8×8 match‑3 (Happy Elimination) game, including random color generation, detection of horizontal and vertical groups, removal, gravity handling, and recursive scoring until no more matches remain.

Game AlgorithmPHPScoring
0 likes · 11 min read
Implementing a Match‑3 (Happy Elimination) Game Algorithm in PHP
Ctrip Technology
Ctrip Technology
Jun 29, 2017 · Backend Development

Understanding Elasticsearch Scoring: Lucene Scoring Functions, Query Boosting, and Function Score Queries

This article explains how Elasticsearch computes relevance scores using Lucene's practical scoring formula, term frequency, inverse document frequency, field-length norms, and query normalization, and demonstrates query-time boosting, constant_score, function_score, decay functions, and script_score with practical DSL examples.

ElasticsearchQuery BoostingScoring
0 likes · 14 min read
Understanding Elasticsearch Scoring: Lucene Scoring Functions, Query Boosting, and Function Score Queries