http://gothub.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion/unum-cloud/usearch
Filtering and Predicate Functions Sometimes you may want to cross-reference search-results against some external database or filter them based on some criteria.
In most engines, you'd have to manually perform paging requests, successively filtering the results.