public List<ArticleRecommender> GetArtikliPreporucine(double ElasticnostFinal = 0.65, double ElasticnostTag = 0.65, double ElasticnostKategorije = 0.65, double ElasticnostOcjene = 0.35)
{
List<Article> la = new List<Article>();
List<ArticleRecommender> listaPreporuka = new List<ArticleRecommender>();
using (DBBL Baza = new DBBL())
{
la = Baza.GetAllWikis();
wiki = this.wiki;
VektorskaDuzina<Tag> vektorTagDomaci = new VektorskaDuzina<Tag>(wiki.Tags.ToArray());
VektorskaDuzina<Category> vektorKategorijeDomaci = new VektorskaDuzina<Category>(wiki.Categories.ToArray());
VektorskaDuzina<ArticlesRating> vektorRatingDomaci = new VektorskaDuzina<ArticlesRating>(wiki.ArticlesRatings.ToArray());
foreach (var w in la)
{
VektorskaDuzina<Tag> vektorTagExterni = new VektorskaDuzina<Tag>(w.Tags.ToArray());
ItemBase<Tag> ibTag = new ItemBase<Tag>(vektorTagDomaci, vektorTagExterni);
VektorskaDuzina<Category> vektorKategorijeExterni = new VektorskaDuzina<Category>(w.Categories.ToArray());
ItemBase<Category> ibKategorije = new ItemBase<Category>(vektorKategorijeDomaci, vektorKategorijeExterni);
VektorskaDuzina<ArticlesRating> vektorRatingExterni = new VektorskaDuzina<ArticlesRating>(w.ArticlesRatings.ToArray());
ItemBase<ArticlesRating> ibRating = new ItemBase<ArticlesRating>(vektorRatingDomaci, vektorRatingExterni);
double tpr = ibTag.GetSlicnost(false);
double kpr = ibKategorije.GetSlicnost(false);
double rpr = ibRating.GetSlicnost(false);
double pr = (tpr + kpr ) * 1/(double)2;
if (pr >= ElasticnostFinal && w.ArticlesID != wiki.ArticlesID)
{
listaPreporuka.Add(new ArticleRecommender()
{
Name = w.Name,
Score = pr,
WikiID = w.ArticlesID
});
}
}
return listaPreporuka.OrderByDescending(x=>x.Score).Take(10).ToList();
}
}
public List<QuestionRecommender> GetQuestionsPreporke(double ElasticnostFinal = 0.65, double ElasticnostTag = 0.65, double ElasticnostKategorije = 0.65, double ElasticnostOcjene = 0.35)
{
List<Question> la = new List<Question>();
List<QuestionRecommender> listaPreporuka = new List<QuestionRecommender>();
using (DBBL Baza = new DBBL())
{
la = Baza.GetAllQuestios();
question = this.question;
VektorskaDuzina<Tag> vektorTagDomaci = new VektorskaDuzina<Tag>(question.Tags.ToArray());
VektorskaDuzina<Category> vektorKategorijeDomaci = new VektorskaDuzina<Category>(question.Categories.ToArray());
VektorskaDuzina<QuestionsRating> vektorRatingDomaci = new VektorskaDuzina<QuestionsRating>(question.QuestionsRatings.ToArray());
foreach (var w in la)
{
VektorskaDuzina<Tag> vektorTagExterni = new VektorskaDuzina<Tag>(w.Tags.ToArray());
ItemBase<Tag> ibTag = new ItemBase<Tag>(vektorTagDomaci, vektorTagExterni);
VektorskaDuzina<Category> vektorKategorijeExterni = new VektorskaDuzina<Category>(w.Categories.ToArray());
ItemBase<Category> ibKategorije = new ItemBase<Category>(vektorKategorijeDomaci, vektorKategorijeExterni);
VektorskaDuzina<QuestionsRating> vektorRatingExterni = new VektorskaDuzina<QuestionsRating>(w.QuestionsRatings.ToArray());
ItemBase<QuestionsRating> ibRating = new ItemBase<QuestionsRating>(vektorRatingDomaci, vektorRatingExterni);
double tpr = ibTag.GetSlicnost(false);
double kpr = ibKategorije.GetSlicnost(false);
double rpr = ibRating.GetSlicnost(false);
double pr = (tpr + kpr) * 1 / (double)2;
if (pr >= ElasticnostFinal && w.QuestionID != question.QuestionID)
{
listaPreporuka.Add(new QuestionRecommender()
{
Name = w.QuestionTitle,
Score = pr,
QuestionID = w.QuestionID,
CreatorID=w.User.UserID
});
}
}
return listaPreporuka.OrderByDescending(x => x.Score).Take(10).ToList();
}
}