/// <summary>
/// Fusions the specified operation.
/// </summary>
/// <param name="scoreSet">The score set.</param>
/// <param name="operation">The operation.</param>
/// <param name="doRankingFusion">if set to <c>true</c> [do ranking fusion].</param>
/// <param name="doDomainNormalization">if set to <c>true</c> [do domain normalization].</param>
/// <param name="log">The log.</param>
/// <returns></returns>
public static DocumentSelectResult Fusion(this IEnumerable <DocumentSelectResult> scoreSet, operation operation, Boolean doRankingFusion, Boolean doDomainNormalization, ILogBuilder log)
{
List <DocumentSelectResultEntry> fusioned = null;
if (doDomainNormalization)
{
log.log("Performing domain-level normalization over [" + scoreSet.Count() + "] document score sets");
foreach (DocumentSelectResult set in scoreSet)
{
DocumentRankingExtensions.NormalizeWithinDomain(set.items, log);
}
}
if (doRankingFusion)
{
log.log("Ranking fusion over [" + scoreSet.Count() + "] document score sets");
fusioned = rankFusion(scoreSet.Select(x => x.items), log);
}
else
{
log.log("Score fusion over [" + scoreSet.Count() + "] document score sets");
fusioned = ScoreFusion(scoreSet.Select(x => x.items), operation, log);
}
DocumentSelectResult output = new DocumentSelectResult(); // scoreSet.First();
output.name = "ScoreFusionBy" + operation.ToString();
output.description = "Sets fusioned: ";
foreach (var s in scoreSet)
{
output.description = s.name + " ";
}
output.items.AddRange(fusioned);
return(output);
}
