diff --git a/app/controllers/search_controller.rb b/app/controllers/search_controller.rb
index 58e02d8e..a97821b5 100644
--- a/app/controllers/search_controller.rb
+++ b/app/controllers/search_controller.rb
@@ -225,7 +225,8 @@ def query_primo(per_page, offset)
   end
 
   def execute_geospatial_query(query)
-    query = query.except('queryMode')
+    query = query.except('queryMode', 'semanticDropBoostThreshold', 'semanticMustBoostThreshold',
+                         'semanticShortQueryMaxTokens')
 
     if query['geobox'] == 'true' && query[:geodistance] == 'true'
       TimdexBase::Client.query(TimdexSearch::AllQuery, variables: query)
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index b085ceb8..9be0d2fc 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -20,7 +20,8 @@ def index_page_title
   def results_page_title(query, character_limit = 50)
     return index_page_title unless query.present?
 
-    ignored_terms = %i[page advanced geobox geodistance booleanType tab queryMode]
+    ignored_terms = %i[page advanced geobox geodistance booleanType tab queryMode semanticDropBoostThreshold
+                       semanticMustBoostThreshold semanticShortQueryMaxTokens]
     terms = query.reject { |term| ignored_terms.include? term }.values.join(' ')
     terms = "#{terms.first(character_limit)}..." if terms.length > character_limit
     "#{terms} | #{index_page_title}"
diff --git a/app/models/enhancer.rb b/app/models/enhancer.rb
index b21099bf..7ee32a4a 100644
--- a/app/models/enhancer.rb
+++ b/app/models/enhancer.rb
@@ -1,7 +1,8 @@
 class Enhancer
   attr_accessor :enhanced_query
 
-  QUERY_PARAMS = %i[q citation contentType contributors fundingInformation identifiers locations subjects title queryMode].freeze
+  QUERY_PARAMS = %i[q citation contentType contributors fundingInformation identifiers locations subjects title
+                    queryMode semanticDropBoostThreshold semanticMustBoostThreshold semanticShortQueryMaxTokens].freeze
   FILTER_PARAMS = %i[accessToFilesFilter contentTypeFilter contributorsFilter formatFilter languagesFilter
                      literaryFormFilter placesFilter sourceFilter subjectsFilter].freeze
   GEO_PARAMS = %i[geoboxMinLongitude geoboxMinLatitude geoboxMaxLongitude geoboxMaxLatitude geodistanceLatitude
diff --git a/app/models/query_builder.rb b/app/models/query_builder.rb
index 76491ca0..c86f5ef3 100644
--- a/app/models/query_builder.rb
+++ b/app/models/query_builder.rb
@@ -7,6 +7,7 @@ class QueryBuilder
   GEO_PARAMS = %w[geoboxMinLongitude geoboxMinLatitude geoboxMaxLongitude geoboxMaxLatitude geodistanceLatitude
                   geodistanceLongitude geodistanceDistance].freeze
   VALID_QUERY_MODES = %w[keyword semantic hybrid].freeze
+  TOKENIZATION_PARAMS = %w[semanticDropBoostThreshold semanticMustBoostThreshold semanticShortQueryMaxTokens].freeze
 
   def initialize(enhanced_query)
     @query = {}
@@ -22,6 +23,7 @@ def initialize(enhanced_query)
     extract_geosearch(enhanced_query)
     extract_filters(enhanced_query)
     evaluate_query_mode(enhanced_query)
+    extract_tokenization_params(enhanced_query)
     @query['index'] = ENV.fetch('TIMDEX_INDEX', nil)
     @query['booleanType'] = enhanced_query[:booleanType]
     @query.compact!
@@ -59,6 +61,12 @@ def extract_filters(enhanced_query)
     end
   end
 
+  def extract_tokenization_params(enhanced_query)
+    TOKENIZATION_PARAMS.each do |tp|
+      @query[tp] = enhanced_query[tp.to_sym]&.strip.to_f if enhanced_query[tp.to_sym].present?
+    end
+  end
+
   # The GraphQL API requires that lat/long in geospatial fields be floats
   def coerce_to_float?(geo_param)
     geo_param.to_s.include?('Longitude') || geo_param.to_s.include?('Latitude')