activity
20172026
most citedConfidence Interval of Probability Estimator of Laplace Smoothing

21 citations · 44 across the 14 of their papers we have counts for

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8 papers · 1 filter

cs.SI2026

Temporal Portability of Numeric User Metadata on Twitter

Chako Takahashi, Mitsuo Yoshida, Muneki Yasuda

Numeric user metadata in social media are often reused over time. However, their reusability may depend on what an analysis needs to preserve. We introduce temporal portability as…

cs.SI2025

Comparing User Activity on X and Mastodon

Shiori Hironaka, Mitsuo Yoshida, Kazuyuki Shudo

The "Fediverse", a federation of decentralized social media servers, has emerged after a decade in which centralized platforms like X (formerly Twitter) have dominated the landscap…

cs.SI2024

Prestige bias drives the viral spread of content reposted by influencers in online communities

Takuro Niitsuma, Mitsuo Yoshida, Hideaki Tamori +1

Cultural evolution theory suggests that prestige bias - whereby individuals preferentially learn from prestigious figures - has played a key role in human ecological success. Howev…

cs.SI2023

Analysis of Psychographic Indicators via LIWC and Their Correlation with CTR for Instagram Ads

Kenjiro Inoue, Mitsuo Yoshida

The online advertising industry continues to grow and accounts for over 40% of global advertising spending. Online display advertising consists of images and text, and advertisers…

cs.SI20191 cited

User's Centrality Analysis for Home Location Estimation

Shiori Hironaka, Mitsuo Yoshida, Kyoji Umemura

User attributes, such as home location, are useful for many applications. Many researchers have been tackling how to estimate users' home locations using relationships among users.…

cs.SI20183 cited

Analysis of Political Party Twitter Accounts' Retweeters During Japan's 2017 Election

Mitsuo Yoshida, Fujio Toriumi

In modern election campaigns, political parties utilize social media to advertise their policies and candidates and to communicate to the electorate. In Japan's latest general elec…