collaborators

9 papers

cs.IR2026

Floor, Ceiling, and the Fusion Gap: How Much of Crowd Reading Attention Can Machines Predict?

Kazuki Nakayashiki, Keisuke Watanabe

A benchmark score means nothing without knowing what a trivial method achieves and what the best possible method could achieve. We construct both bounds for a task with a rare kind…

cs.IR2026

Language Models Agree With Each Other, Not With Readers

Kazuki Nakayashiki, Keisuke Watanabe

Claims that language models homogenise are usually measured against human judgements collected for the study, which makes the human side an artifact of the design: a crowdworker gi…

cs.IR2026

Measuring Alignment With Reader Highlights Net of Position and Length

Kazuki Nakayashiki, Keisuke Watanabe

Context compression discards most of a document before a language model reads it, and is normally evaluated by downstream task accuracy - which makes another model the judge of wha…

cs.IR2026

Trait, Not State: The Durability of Reading Identity in Social Highlighting

Kazuki Nakayashiki, Keisuke Watanabe

Prior work on a social web highlighter located individuality in selection -- which documents a person chooses to highlight -- but measured it cross-sectionally. We ask the temporal…

cs.IR2026

The Long Tail, Not the Front Page: Cold-Start Prediction of Crowd Highlight Salience

Kazuki Nakayashiki, Keisuke Watanabe

A social highlighter's most useful signal -- which passages a crowd of readers marks -- exists only for documents people have already read. Can the aggregate crowd salience of a do…

cs.IR2026

Factions Within, Uncertain Across: Within-Document Reader Sub-Groups in Social Highlighting

Kazuki Nakayashiki, Keisuke Watanabe

When many people highlight the same document, is the crowd a single consensus, or is it internally structured into reader sub-groups that mark different things -- and is that struc…