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fix: better title boost logic (#33476)

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Faris Ansari 2025-07-29 13:21:09 +05:30 • committed by GitHub
parent 7b71c3aeb7
commit d9cb5a247a
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1 changed files with 27 additions and 4 deletions
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31
frappe/search/sqlite_search.py
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@ -611,15 +611,38 @@ class SQLiteSearch(ABC):
return 1.0 / (1.0 + bm25_score) if bm25_score > 0 else 0.5
def _get_title_boost(self, row, query, query_words):
"""Calculate the title matching boost."""
"""Calculate the title matching boost based on percentage of words matched."""
original_title = (row["original_title"] or "").lower()
query_lower = query.lower()
# Check for exact phrase match first (highest boost)
if query_lower in original_title:
return TITLE_EXACT_MATCH_BOOST
if any(word.lower() in original_title for word in query_words):
return TITLE_PARTIAL_MATCH_BOOST
return 1.0
# Calculate percentage of query words that match in title
if not query_words:
return 1.0
matched_words = 0
for word in query_words:
if word.lower() in original_title:
matched_words += 1
if matched_words == 0:
return 1.0
# Calculate match percentage
match_percentage = matched_words / len(query_words)
# Scale the boost between TITLE_PARTIAL_MATCH_BOOST (2.0) and TITLE_EXACT_MATCH_BOOST (5.0)
# based on the percentage of words matched
min_boost = TITLE_PARTIAL_MATCH_BOOST # 2.0
max_boost = TITLE_EXACT_MATCH_BOOST # 5.0
# Linear interpolation: boost = min_boost + (max_boost - min_boost) * match_percentage
boost = min_boost + (max_boost - min_boost) * match_percentage
return boost
def _get_recency_boost(self, row, query):
"""Calculate the time-based recency boost."""