IsonSearch is our curated search engine for the Indonesian web, and the grounding source behind IsonAI’s answers on Indonesian topics. Starting today, it searches by meaning as well as by keywords.
The idea is simple to state. IsonSearch no longer looks only for pages that contain the same words as your question. It can also find pages that say the same thing in different words.
How it works, in brief
Pages in the index now carry a vector representation, a compact numerical summary of what the page is about, produced by an AI model we run ourselves. When a question comes in, it is converted into the same form and matched against the pages whose meaning is closest.
Two texts can be about the same thing while sharing almost no words. Keyword matching cannot see that connection. Matching on meaning can. Keyword search has not gone away either; the two run side by side, and a page can be found through either path.
Why this matters in Indonesia
People ask in everyday words. Official and authoritative pages are written in formal language. Everyday Indonesian and formal Indonesian often describe the same thing with entirely different terms, and that gap is exactly where keyword search struggles.
Take a common case. Someone types “cara ngurus KTP hilang”. The authoritative page describes the same procedure as “prosedur penerbitan KTP-el karena hilang”. The wording barely overlaps, so a keyword search can miss that page entirely. Meaning-based search finds it, because the question and the page are about the same thing.
The same holds for synonyms (daring and online), for abbreviations (BPJS, NPWP), and for the casual spelling people naturally use when they type.
What IsonAI users will notice
Because IsonSearch grounds IsonAI’s answers, this change shows up in answers, not only in search results.
Questions asked in everyday Indonesian are now more likely to be answered from the right local source. Citations are more likely to lead to real Indonesian pages that actually cover the topic. And there should be fewer “close but not quite” sources behind an answer, pages that share the right words but not the right subject.
None of this asks you to change how you write. You ask the way you normally would, and retrieval does more of the work underneath.
What has not changed
Searching by meaning changes how pages are found. It does not change which pages are allowed to rank. Curation still makes that call: government, established media, and academic sources are still tiered above the general web, and IsonSearch Curator still filters spam out of the index.
Privacy is unchanged too. No tracking, no ads. Everything runs on hardware we own and operate in Indonesia, and the index, the vectors, and the queries stay in-country.
Live today
Meaning-based search is live now, both on search.isonai.com and behind IsonAI. Try it with a question written the way you would actually ask it.
The technical story is in our research note, Searching the Indonesian web by meaning. And if IsonSearch is new to you, Introducing IsonSearch explains what it is and why we built it.