diff options
Diffstat (limited to 'search/ranking_info.cpp')
| -rw-r--r-- | search/ranking_info.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/search/ranking_info.cpp b/search/ranking_info.cpp index fdb4f675aa..a80cd70cb2 100644 --- a/search/ranking_info.cpp +++ b/search/ranking_info.cpp @@ -1,5 +1,7 @@ #include "search/ranking_info.hpp" +#include "ugc/types.hpp" + #include <iomanip> #include <limits> #include <sstream> @@ -16,10 +18,13 @@ double constexpr kDistanceToPivot = -1.0000000; double constexpr kRank = 1.0000000; // todo: (@t.yan) Adjust. double constexpr kPopularity = 0.0500000; +// todo: (@t.yan) Adjust. +double constexpr kRating = 0.0500000; double constexpr kFalseCats = -0.3691859; double constexpr kErrorsMade = -0.0579812; double constexpr kAllTokensUsed = 0.0000000; double constexpr kHasName = 0.5; + double constexpr kNameScore[NameScore::NAME_SCORE_COUNT] = { -0.7245815 /* Zero */, 0.1853727 /* Substring */, @@ -48,6 +53,20 @@ double TransformDistance(double distance) { return min(distance, RankingInfo::kMaxDistMeters) / RankingInfo::kMaxDistMeters; } + +double TransformRating(pair<uint8_t, float> const & rating) +{ + double r = 0.0; + // From statistics. + double constexpr kAverageRating = 7.6; + if (rating.first != 0) + { + r = (static_cast<double>(rating.second) - kAverageRating) / + (ugc::UGC::kMaxRating - ugc::UGC::kRatingDetalizationThreshold); + r *= static_cast<double>(rating.first) / 3.0 /* maximal confidence */; + } + return r; +} } // namespace // static @@ -59,6 +78,7 @@ void RankingInfo::PrintCSVHeader(ostream & os) os << "DistanceToPivot" << ",Rank" << ",Popularity" + << ",Rating" << ",NameScore" << ",ErrorsMade" << ",SearchType" @@ -75,6 +95,8 @@ string DebugPrint(RankingInfo const & info) os << "m_distanceToPivot:" << info.m_distanceToPivot; os << ", m_rank:" << static_cast<int>(info.m_rank); os << ", m_popularity:" << static_cast<int>(info.m_popularity); + os << ", m_rating:[" << static_cast<int>(info.m_rating.first) << ", " << info.m_rating.second + << "]"; os << ", m_nameScore:" << DebugPrint(info.m_nameScore); os << ", m_errorsMade:" << DebugPrint(info.m_errorsMade); os << ", m_type:" << DebugPrint(info.m_type); @@ -93,6 +115,7 @@ void RankingInfo::ToCSV(ostream & os) const os << m_distanceToPivot << ","; os << static_cast<int>(m_rank) << ","; os << static_cast<int>(m_popularity) << ","; + os << TransformRating(m_rating) << ","; os << DebugPrint(m_nameScore) << ","; os << GetErrorsMade() << ","; os << DebugPrint(m_type) << ","; @@ -112,6 +135,7 @@ double RankingInfo::GetLinearModelRank() const double const distanceToPivot = TransformDistance(m_distanceToPivot); double const rank = static_cast<double>(m_rank) / numeric_limits<uint8_t>::max(); double const popularity = static_cast<double>(m_popularity) / numeric_limits<uint8_t>::max(); + double const rating = TransformRating(m_rating); auto nameScore = m_nameScore; if (m_pureCats || m_falseCats) @@ -129,6 +153,7 @@ double RankingInfo::GetLinearModelRank() const result += kDistanceToPivot * distanceToPivot; result += kRank * rank; result += kPopularity * popularity; + result += kRating * rating; result += m_falseCats * kFalseCats; if (!m_categorialRequest) { |