Fine tune semantic search

index.html

@@ -84,17 +84,17 @@ <h1 class="text-secondary mb-1">
         <div class="col-md">
           Try:
           <span id="example-search-terms">
-              <a role="button" class="clickable-search-term">COVID</a>,
+              <a role="button" class="clickable-search-term">eclipse</a>,
               <a role="button" class="clickable-search-term">online</a>,
-              <a role="button" class="clickable-search-term">duty</a>,
+              <a role="button" class="clickable-search-term">mars</a>,
               <a role="button" class="clickable-search-term">captcha</a>,
               <a role="button" class="clickable-search-term">noise</a>,
               <a role="button" class="clickable-search-term">cheese</a>,
               <a role="button" class="clickable-search-term">floppy</a>,
               <a role="button" class="clickable-search-term">stupid</a>,
               <a role="button" class="clickable-search-term">urgent</a>,
               <a role="button" class="clickable-search-term">bug</a>,
-              <a role="button" class="clickable-search-term">error</a>
+              <a role="button" class="clickable-search-term">gravity</a>
             </span>
         </div>
       </div>

src/app.js

@@ -120,6 +120,7 @@ const typesenseInstantsearchAdapter = new TypesenseInstantSearchAdapter({
     query_by_weights: '127,80,80,1,1',
     num_typos: 1,
     exclude_fields: 'embedding',
+    vector_query: 'embedding:([], k: 30, distance_threshold: 0.1, alpha: 0.9)',
     // prefix: false
   },
 });
@@ -271,7 +272,7 @@ search.addWidgets([
     items: [
       {
         label: 'relevancy',
-        value: INDEX_NAME,
+        value: `${INDEX_NAME}/sort/_text_match(buckets: 10):desc,publishDateTimestamp:desc`,
       },
       {
         label: 'recent first',