Multilingual dictionary infrastructure for IXL Learning’s immersive approach
The Scenario
An English learner in Japan uses Rosetta Stone’s Structured Immersion method and encounters “discovery.” They need the English definition, Japanese translation with native script (発見), IPA pronunciation, and audio they can practice with alongside TruAccent® speech recognition — all from a single API call. Then a structured lesson to build context, and a quiz to confirm retention.
Step 1 — Word Orb looks up the word
One API call returns a verified definition, translations, pronunciation audio, and etymology.
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Step 2 — Lesson Orb delivers a structured lesson
A 5-phase lesson (hook → story → wonder → action → wisdom) with the explorer teaching archetype.
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Step 3 — Quiz Orb assesses comprehension
Assessment questions aligned to the lesson content through the knowledge graph. Your agent tests what it taught.
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Step 4 — The Knowledge Graph connects everything
30,288 connections link words to lessons to assessments. Every quiz question tests what the lesson taught.
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Why this matters for Rosetta Stone
240,000 pronunciation audio files complement TruAccent® speech recognition — Orb provides the reference pronunciations, TruAccent evaluates the learner
IXL Learning’s adaptive engine can use Orb’s age-calibrated definitions (kid, teen, adult) to personalize vocabulary difficulty per student
Structured Immersion maps to Orb’s 5-phase lesson model — hook immerses, story contextualizes, wisdom solidifies. 25+ languages, 47-language translations
One API call returns definition, translations, pronunciation, etymology, and part of speech — no multi-step lookup. Deterministic across every learner session