public ProductPair(Engine engine, Product product1, Product product2)
{
this.engine = engine;
{
CategoryScore = engine.CompanyPairs.GetCategoryComparisonScore(product1, product2);
}
{
Dictionary <string, double> word2name_score = new Dictionary <string, double>();
foreach (string word in product1.Words(Field.Name))
{
if (product2.Words2Count(Field.Name).ContainsKey(word))
{
word2name_score[word] = .5 * engine.Companies.Get(product1.DbProduct.CompanyId).WordWeight(Field.Name, word)
+ .5 * engine.Companies.Get(product2.DbProduct.CompanyId).WordWeight(Field.Name, word);
}
}
//MatchedWords[Field.Name] = word2name_score.Keys.ToList();
if (word2name_score.Count > 0)
{
NameScore = .5 * ((double)word2name_score.Values.Sum() / word2name_score.Count)
+ .25 * ((double)word2name_score.Count / product1.Words(Field.Name).Count)
+ .25 * ((double)word2name_score.Count / product2.Words(Field.Name).Count);
}
}
// decimal p1 = product1.DbProduct.Price;
//HashSet<string> matched_words = new HashSet<string>();
//foreach (string word in product1.Words(Field.Description))
//{
// if (product2.Word2Count(Field.Description).ContainsKey(word))
// matched_words.Add(word);
//}
//foreach (string word in matched_words)
//{
// double score = get_word_score(word, product1, product2);
// SecondaryScore += score;
//}
}
double get_category_comparison_score(Product product1, Product product2)
{
Dictionary <string, double> word2category_score = new Dictionary <string, double>();
foreach (string word in product1.Words(Field.Category))
{
if (product2.Words2Count(Field.Category).ContainsKey(word))
{
word2category_score[word] = .5 * engine.Companies.Get(product1.DbProduct.CompanyId).WordWeight(Field.Category, word)
+ .5 * engine.Companies.Get(product2.DbProduct.CompanyId).WordWeight(Field.Category, word);
}
}
double score = 0;
if (word2category_score.Count > 0)
{
score = .5 * ((double)word2category_score.Values.Sum() / word2category_score.Count)
+ .25 * ((double)word2category_score.Count / product1.Words(Field.Category).Count)
+ .25 * ((double)word2category_score.Count / product2.Words(Field.Category).Count);
}
score = (do_categories_belong2mapped_ones(product1, product2) ? 1 : 0.3) * score;
return(score);
}
public ProductPair(Engine engine, Product product1, Product product2)
{
this.engine = engine;
{
CategoryScore = engine.CompanyPairs.GetCategoryComparisonScore(product1, product2);
}
{
Dictionary<string, double> word2name_score = new Dictionary<string, double>();
foreach (string word in product1.Words(Field.Name))
{
if (product2.Words2Count(Field.Name).ContainsKey(word))
word2name_score[word] = .5 * engine.Companies.Get(product1.DbProduct.CompanyId).WordWeight(Field.Name, word)
+ .5 * engine.Companies.Get(product2.DbProduct.CompanyId).WordWeight(Field.Name, word);
}
//MatchedWords[Field.Name] = word2name_score.Keys.ToList();
if (word2name_score.Count > 0)
{
NameScore = .5 * ((double)word2name_score.Values.Sum() / word2name_score.Count)
+ .25 * ((double)word2name_score.Count / product1.Words(Field.Name).Count)
+ .25 * ((double)word2name_score.Count / product2.Words(Field.Name).Count);
}
}
// decimal p1 = product1.DbProduct.Price;
//HashSet<string> matched_words = new HashSet<string>();
//foreach (string word in product1.Words(Field.Description))
//{
// if (product2.Word2Count(Field.Description).ContainsKey(word))
// matched_words.Add(word);
//}
//foreach (string word in matched_words)
//{
// double score = get_word_score(word, product1, product2);
// SecondaryScore += score;
//}
}
double get_category_comparison_score(Product product1, Product product2)
{
Dictionary<string, double> word2category_score = new Dictionary<string, double>();
foreach (string word in product1.Words(Field.Category))
{
if (product2.Words2Count(Field.Category).ContainsKey(word))
word2category_score[word] = .5 * engine.Companies.Get(product1.DbProduct.CompanyId).WordWeight(Field.Category, word)
+ .5 * engine.Companies.Get(product2.DbProduct.CompanyId).WordWeight(Field.Category, word);
}
double score = 0;
if (word2category_score.Count > 0)
{
score = .5 * ((double)word2category_score.Values.Sum() / word2category_score.Count)
+ .25 * ((double)word2category_score.Count / product1.Words(Field.Category).Count)
+ .25 * ((double)word2category_score.Count / product2.Words(Field.Category).Count);
}
score = (do_categories_belong2mapped_ones(product1, product2) ? 1 : 0.3) * score;
return score;
}