osm-search/Nominatim
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Merge pull request #2213 from lonvia/tweak-search-weights

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Some more tweaking of the ranking of search interpretations
This commit is contained in:
Sarah Hoffmann 2021-03-12 15:47:36 +01:00 committed by GitHub
commit 6cabc44841
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2 changed files with 33 additions and 33 deletions
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3
lib-php/Geocode.php
View File

@ -779,7 +779,8 @@ class Geocode
$aSplitResults = Result::splitResults($aResults);
Debug::printVar('Split results', $aSplitResults);
if ($iGroupLoop <= 4
&& reset($aSplitResults['head'])->iResultRank > 0) {
&& reset($aSplitResults['head'])->iResultRank > 0
&& $iGroupedRank !== array_key_last($aGroupedSearches)) {
// Haven't found an exact match for the query yet.
// Therefore add result from the next group level.
$aNextResults = $aSplitResults['head'];

63
lib-php/SearchDescription.php
View File

@ -179,6 +179,7 @@ class SearchDescription
// - increase score for finding it anywhere else (optimisation)
if (!$bLastToken) {
$oSearch->iSearchRank += 5;
$oSearch->iNamePhrase = -1;
}
$aNewSearches[] = $oSearch;
}
@ -205,6 +206,7 @@ class SearchDescription
) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->iNamePhrase = -1;
if (strlen($oSearchTerm->sPostcode) < 4) {
$oSearch->iSearchRank += 4 - strlen($oSearchTerm->sPostcode);
}
@ -218,7 +220,11 @@ class SearchDescription
if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->iNamePhrase = -1;
$oSearch->sHouseNumber = $oSearchTerm->sToken;
if ($this->iOperator != Operator::NONE) {
$oSearch->iSearchRank++;
}
// sanity check: if the housenumber is not mainly made
// up of numbers, add a penalty
if (preg_match('/\\d/', $oSearch->sHouseNumber) === 0
@ -255,7 +261,8 @@ class SearchDescription
) {
if ($this->iOperator == Operator::NONE) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->iSearchRank += 2;
$oSearch->iNamePhrase = -1;
$iOp = $oSearchTerm->iOperator;
if ($iOp == Operator::NONE) {
@ -265,6 +272,11 @@ class SearchDescription
$iOp = Operator::NEAR;
}
$oSearch->iSearchRank += 2;
} elseif (!$bFirstToken && !$bLastToken) {
$oSearch->iSearchRank += 2;
}
if ($this->sHouseNumber) {
$oSearch->iSearchRank++;
}
$oSearch->setPoiSearch(
@ -285,11 +297,12 @@ class SearchDescription
if (!empty($this->aName) || !($bFirstPhrase || $sPhraseType == '')) {
if (($sPhraseType == '' || !$bFirstPhrase) && !$bHasPartial) {
$oSearch = clone $this;
$oSearch->iNamePhrase = -1;
$oSearch->iSearchRank += 3 * $oSearchTerm->iTermCount;
$oSearch->aAddress[$iWordID] = $iWordID;
$aNewSearches[] = $oSearch;
}
} else {
} elseif (empty($this->aNameNonSearch)) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->aName = array($iWordID => $iWordID);
@ -329,51 +342,34 @@ class SearchDescription
if ((!$bStructuredPhrases || $iPhrase > 0)
&& (!empty($this->aName))
&& strpos($sToken, ' ') === false
) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
if (preg_match('#^[0-9 ]+$#', $sToken)) {
$oSearch->iSearchRank++;
}
if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
$oSearch = clone $this;
$oSearch->iSearchRank += $oSearchTerm->iTermCount + 1;
if (empty($this->aName)) {
$oSearch->iSearchRank++;
}
if (preg_match('#^[0-9]+$#', $sToken)) {
$oSearch->iSearchRank++;
}
$oSearch->aAddress[$iWordID] = $iWordID;
$aNewSearches[] = $oSearch;
} else {
$oSearch = clone $this;
$oSearch->iSearchRank += $oSearchTerm->iTermCount + 1;
$oSearch->aAddressNonSearch[$iWordID] = $iWordID;
if (!empty($aFullTokens)) {
$oSearch->iSearchRank++;
}
$aNewSearches[] = $oSearch;
// revert to the token version?
foreach ($aFullTokens as $oSearchTermToken) {
if (is_a($oSearchTermToken, '\Nominatim\Token\Word')) {
$oSearch = clone $this;
$oSearch->iSearchRank += 3;
$oSearch->aAddress[$oSearchTermToken->iId]
= $oSearchTermToken->iId;
$aNewSearches[] = $oSearch;
}
}
}
$aNewSearches[] = $oSearch;
}
if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch)
&& (empty($this->aName) || $this->iNamePhrase == $iPhrase)
&& ((empty($this->aName) && empty($this->aNameNonSearch)) || $this->iNamePhrase == $iPhrase)
&& strpos($sToken, ' ') === false
) {
$oSearch = clone $this;
$oSearch->iSearchRank += 2;
if (empty($this->aName)) {
$oSearch->iSearchRank += 1;
$oSearch->iSearchRank++;
if (empty($this->aName) && empty($this->aNameNonSearch)) {
$oSearch->iSearchRank++;
}
if (preg_match('#^[0-9]+$#', $sToken)) {
$oSearch->iSearchRank += 2;
if (preg_match('#^[0-9 ]+$#', $sToken)) {
$oSearch->iSearchRank++;
}
if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
if (empty($this->aName)
@ -387,6 +383,9 @@ class SearchDescription
}
$oSearch->aName[$iWordID] = $iWordID;
} else {
if (!empty($aFullTokens)) {
$oSearch->iSearchRank++;
}
$oSearch->aNameNonSearch[$iWordID] = $iWordID;
}
$oSearch->iNamePhrase = $iPhrase;