// the most general, but probably also most inefficient implementation
void lemur::api::RetrievalMethod::scoreCollection(const QueryRep &qry, IndexedRealVector &results)
{
results.clear();
for (DOCID_T id=1; id<=ind.docCount();id++) {
results.PushValue(id, scoreDoc(qry, id));
}
}
/// Score a set of documents w.r.t. a query rep (e.g. for re-ranking)
void lemur::api::RetrievalMethod::scoreDocSet(const QueryRep &qry, const DocIDSet &docSet, IndexedRealVector &results)
{
results.clear();
docSet.startIteration();
while (docSet.hasMore()) {
int docID;
double prevScore;
docSet.nextIDInfo(docID, prevScore);
results.PushValue(docID, scoreDoc(qry, docID));
}
}
/** Score a set of documents w.r.t. a query rep (e.g. for re-ranking) */
void LinkDistributionRetMethod::scoreDocSet(const QueryRep &qry, const DocIDSet &docSet, IndexedRealVector &results)
{
results.clear();
docSet.startIteration();
while(docSet.hasMore())
{
int docID;
double prevScore;
docSet.nextIDInfo(docID, prevScore);
double phi = lemur::api::ParamGetDouble("phi", 0);
double currentScore = (1 - phi) * prevScore + phi * scoreDoc(qry, docID);
results.PushValue(docID, currentScore);
}//while
}//end scoreDocSet
void LinkDistributionRetMethod::scoreDocSet(const Query &q, const DocIDSet &docSet, IndexedRealVector &results)
{
//assert(LinkDistributionParameter::docWindowSize>0);
results.clear();
docSet.startIteration();
while(docSet.hasMore())
{
int docID;
double prevScore;
docSet.nextIDInfo(docID, prevScore);
//cerr<<"docID:"<<docID<<endl;
double phi = lemur::api::ParamGetDouble("phi", 0);
double currentScore = (1 - phi) * prevScore + phi * scoreDoc(q, docID);
results.PushValue(docID, currentScore);
}//while
}
void lemur::api::StructQueryRetMethod::scoreInvertedIndex(const QueryRep &qRep,
IndexedRealVector &scores,
bool scoreAll) {
COUNT_T numDocs = ind.docCount();
COUNT_T i;
lemur::retrieval::QueryNode *queryRoot = ((lemur::retrieval::StructQueryRep *)(&qRep))->topnode();
scores.clear();
// eval the query
StructQueryScoreFunc * scorer = (StructQueryScoreFunc *)scoreFunc();
for (i = 1; i <= numDocs; i++) {
if (queryRoot->dList[i]) {
DocumentRep *dRep = computeDocRep(i);
scores.PushValue(i, scorer->evalQuery(queryRoot, dRep));
delete dRep;
} else if (scoreAll) {
scores.PushValue(i, scorer->adjustedScore(0, queryRoot));
}
}
}
