Wontopos Tablet 2: Measuring Multilingual and Multimodal Memory Retrieval Without Lexical Matching

AuthorsSunwoo Kim

arXiv 20262026

TL;DR

Wontopos Tablet 2 uses a lexical-control benchmark design to isolate multilingual and multimodal memory retrieval, showing how retrieval quality moves independently of reader quality.

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THE PROBLEM

Multilingual memory retrieval fails under lexical matching controls

Wontopos Tablet 2 shows that lexical matching can distort cross-lingual and multimodal retrieval, especially when captions are introduced as a control.

This failure affects photograph retrieval and long-term memory benchmarks, where weak languages or noisy captions cause worse cross-lingual performance and mis-attribution of limits.

HOW IT WORKS

Wontopos Tablet 2 benchmark design

Wontopos Tablet 2 combines LongMemEval-S, BEAM-1M, Crossmodal-3600, and a re-ask mechanism to separate retrieval quality from reader quality.

Think of Wontopos Tablet 2 as a lab setup where one instrument measures RAM-like retrieval while another measures disk-like storage, with lexical controls acting like filters.

This design lets Wontopos Tablet 2 expose retrieval behaviors that a plain context window cannot, especially negative effects like captions making cross-lingual retrieval worse.

DIAGRAM

Query time interaction between caller, re-ask, and retrieval engine

This diagram shows how Wontopos Tablet 2 orchestrates caller options, re-ask, and retrieval when handling a single benchmark query.

DIAGRAM

Evaluation pipeline across LongMemEval-S, BEAM-1M, and Crossmodal-3600

This diagram shows how Wontopos Tablet 2 runs its three benchmarks and ablations to measure multilingual and multimodal retrieval.

PROCESS

How Wontopos Tablet 2 Handles a Benchmark Session

  1. 01

    System under measurement

    Wontopos Tablet 2 first defines the system under measurement, including what it does with a photograph and what the caller can set.

  2. 02

    Benchmark 1 LongMemEval S

    Wontopos Tablet 2 runs LongMemEval-S to study retrieval, result movement, and isolating retrieval from the reader using the same reader comparison.

  3. 03

    Benchmark 2 BEAM 1M

    Wontopos Tablet 2 evaluates BEAM-1M, tracking delivered tokens, latency, placement against published numbers, and ablations on re-ask and expansion.

  4. 04

    Benchmark 3 multilingual retrieval of photographs

    Wontopos Tablet 2 tests multilingual retrieval of photographs using a controlled corpus and Crossmodal-3600, including caption baselines and the negative result on captions.

KEY CONTRIBUTIONS

Key Contributions

  • 01

    Benchmark 1 LongMemEval S

    Wontopos Tablet 2 uses LongMemEval-S to separate retrieval performance from reader performance, including a same-reader comparison against another engine tier.

  • 02

    Benchmark 2 BEAM 1M

    Wontopos Tablet 2 introduces BEAM-1M with detailed delivered token and latency analysis, plus ablations on re-ask and expansion behavior.

  • 03

    Benchmark 3 multilingual retrieval of photographs

    Wontopos Tablet 2 designs a controlled multilingual photograph corpus and Crossmodal-3600, showing that captions can worsen cross-lingual retrieval.

RESULTS

By the Numbers

Delivered tokens

reported in BEAM-1M section

compared qualitatively against published BEAM-1M baselines

Latency

reported in BEAM-1M and LongMemEval-S sections

vs other engine tier and published numbers

Crossmodal retrieval score

reported for Crossmodal-3600

context of caption vs no caption conditions

Multilingual coverage

low resource languages highlighted

context of component limits vs Wontopos Tablet 2 limits

Wontopos Tablet 2 reports detailed metrics on LongMemEval-S, BEAM-1M, and Crossmodal-3600, showing how retrieval quality, latency, and multilingual behavior interact under lexical controls.

BENCHMARK

By the Numbers

Wontopos Tablet 2 reports detailed metrics on LongMemEval-S, BEAM-1M, and Crossmodal-3600, showing how retrieval quality, latency, and multilingual behavior interact under lexical controls.

BENCHMARK

Negative result captions make cross lingual retrieval worse

Relative cross-lingual retrieval quality for photographs with and without captions in Wontopos Tablet 2.

KEY INSIGHT

The Counterintuitive Finding

Wontopos Tablet 2 reports a negative result that captions make cross-lingual retrieval worse for real photographs in Crossmodal-3600.

This is surprising because captions are usually assumed to help retrieval, but Wontopos Tablet 2 shows they can distort multilingual matching under lexical controls.

WHY IT MATTERS

What this unlocks for the field

Wontopos Tablet 2 unlocks controlled measurement of multilingual and multimodal memory retrieval without relying on lexical matching alone.

Builders can now design retrieval systems and benchmarks that distinguish reader limits from retrieval limits, especially in low-resource languages and crossmodal scenarios.

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