public void Similarity()
{
instance.Register(BagOfWords.Create("one", "two", "three"));
instance.Register(BagOfWords.Create("one", "one", "one"));
instance.Register(BagOfWords.Create("one", "one", "two"));
var result = instance.FindSimilar(BagOfWords.Create("thee", "two", "three")).ToArray();
Assert.AreEqual(3, result.Length);
}
public async Task <HashTagData[]> Get(SmartCaption caption)
{
log.LogDebug("Finding similar posts - [{0}]", caption.Original);
var tags = caption.Tags.ToString();
if (tags.Length < 3)
{
return(new HashTagData[] {});
}
foreach (var tag in caption.Tags)
{
var topMedia = await instagram.Resilience.WebPolicy
.ExecuteAsync(
() => ResultExtension.UnWrap(() => instagram.HashtagProcessor.GetTopHashtagMediaListAsync(tag.Text, PaginationParameters.MaxPagesToLoad(1)), log))
.ConfigureAwait(false);
foreach (var media in topMedia.Medias)
{
var text = media.Caption?.Text;
if (string.IsNullOrEmpty(text))
{
continue;
}
var smart = captionHandler.Extract(text);
var bag = BagOfWords.Create(smart.Tags.Select(item => item.Tag).ToArray());
similarity.Register(bag);
}
}
var result = similarity.FindSimilar(BagOfWords.Create(caption.Tags.Select(item => item.Tag).ToArray()));
return(result.SelectMany(
item => item.Document.Words.Select(
x =>
{
var tag = HashTagData.FromTag(x.Text);
tag.Relevance = (int)(100 * item.Similarity);
return tag;
}))
.ToArray());
}
