21 citations · 91 across the 26 of their papers we have counts for
26 papers
Mapping Social Media User Behaviors in Reciprocity Space
Shiori Hironaka, Hayato Oshimo, Mitsuo Yoshida +1
Social media users exhibit diverse behavioral patterns as platforms function simultaneously as information and friendship networks. We introduce a reciprocity-based framework mappi…
Large Language Model-based System to Provide Immediate Feedback to Students in Flipped Classroom Preparation Learning
Shintaro Uchiyama, Kyoji Umemura, Yusuke Morita
This paper proposes a system that uses large language models to provide immediate feedback to students in flipped classroom preparation learning. This study aimed to solve challeng…
Comparing Two Counting Methods for Estimating the Probabilities of Strings
Ayaka Takamoto, Mitsuo Yoshida, Kyoji Umemura
There are two methods for counting the number of occurrences of a string in another large string. One is to count the number of places where the string is found. The other is to de…
Follower--Followee Ratio Category and User Vector for Analyzing Following Behavior
Hayato Oshimo, Shiori Hironaka, Mitsuo Yoshida +1
Analyzing following behavior is important in many applications. Following behavior may depend on the main intention of the follower. Users may either follow their friends or they m…
Feature Selective Likelihood Ratio Estimator for Low- and Zero-frequency N-grams
Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura +1
In natural language processing (NLP), the likelihood ratios (LRs) of N-grams are often estimated from the frequency information. However, a corpus contains only a fraction of the p…
Comparison of Indicators of Location Homophily Using Twitter Follow Graph
Shiori Hironaka, Mitsuo Yoshida, Kyoji Umemura
Location homophily is a tendency of Twitter users whose followers tend to be in the same or nearby areas. Intuitively, although users with a higher number of follower relationships…
Unified Likelihood Ratio Estimation for High- to Zero-frequency N-grams
Masato Kikuchi, Kento Kawakami, Kazuho Watanabe +2
Likelihood ratios (LRs), which are commonly used for probabilistic data processing, are often estimated based on the frequency counts of individual elements obtained from samples.…
Analysis of Short Dwell Time in Relation to User Interest in a News Application
Ryosuke Homma, Yoshifumi Seki, Mitsuo Yoshida +1
Dwell time has been widely used in various fields to evaluate content quality and user engagement. Although many studies shown that content with long dwell time is good quality, co…
The metrics of keywords to understand the difference between Retweet and Like in each category
Kenshin Sekimoto, Yoshifumi Seki, Mitsuo Yoshida +1
The purpose of this study is to clarify what kind of news is easily retweeted and what kind of news is easily Liked. We believe these actions, retweeting and Liking, have different…
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.…
Usefulness of Instructor Annotations on Flipped Learning Preparation Video System
Shintaro Uchiyama, Hayato Okumoto, Mitsuo Yoshida +2
Flipped learning is a method that flips in/out class activities to make lectures learner-centered. In flipped learning, comments from learners on preparation material are useful in…
Journal Name Extraction from Japanese Scientific News Articles
Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
In Japanese scientific news articles, although the research results are described clearly, the article's sources tend to be uncited. This makes it difficult for readers to know the…
Analysis of the Influence of Internet TV Station on Wikipedia Page Views
Hiroshi Hayano, Masanori Takano, Soichiro Morishita +2
We aim to investigate the influence of television on the web; if the influence is strong, a viral effect may be expected. In this paper, we focus on the Internet TV station and on…
Analysis of User Dwell Time on Non-News Pages
Ryosuke Homma, Keiichi Soejima, Mitsuo Yoshida +1
There is dwell time as one of the indicators of user's behavior, and this indicates how long a user looked at a page. Dwell time is especially useful in fields where user ratings a…
Response Collector: A Video Learning System for Flipped Classrooms
Hayato Okumoto, Mitsuo Yoshida, Kyoji Umemura +1
The flipped classroom has become famous as an effective educational method that flips the purpose of classroom study and homework. In this paper, we propose a video learning system…
Computing Information Quantity as Similarity Measure for Music Classification Task
Ayaka Takamoto, Mitsuo Yoshida, Kyoji Umemura +1
This paper proposes a novel method that can replace compression-based dissimilarity measure (CDM) in composer estimation task. The main features of the proposed method are clarity…
When Do Users Change Their Profile Information on Twitter?
Jinsei Shima, Mitsuo Yoshida, Kyoji Umemura
We can see profile information such as name, description and location in order to know the user on social media. However, this profile information is not always fixed. If there is…
Improving Compression Based Dissimilarity Measure for Music Score Analysis
Ayaka Takamoto, Mayu Umemura, Mitsuo Yoshida +1
In this paper, we propose a way to improve the compression based dissimilarity measure, CDM. We propose to use a modified value of the file size, where the original CDM uses an unm…
Polysemy Detection in Distributed Representation of Word Sense
Kana Oomoto, Haruka Oikawa, Eiko Yamamoto +3
In this paper, we propose a statistical test to determine whether a given word is used as a polysemic word or not. The statistic of the word in this test roughly corresponds to the…
Finding Association Rules by Direct Estimation of Likelihood Ratios
Kento Kawakami, Masato Kikuchi, Mitsuo Yoshida +2
In this paper, we propose a cost function that corresponds to the mean square errors between estimated values and true values of conditional probability in a discrete distribution.…
Realizing Half-Diminished Reality from Video Stream of Manipulating Objects
Hayato Okumoto, Mitsuo Yoshida, Kyoji Umemura
When we watch a video, in which human hands manipulate objects, these hands may obscure some parts of those objects. We are willing to make clear how the objects are manipulated by…
Confidence Interval of Probability Estimator of Laplace Smoothing
Masato Kikuchi, Mitsuo Yoshida, Masayuki Okabe +1
Sometimes, we do not use a maximum likelihood estimator of a probability but it's a smoothed estimator in order to cope with the zero frequency problem. This is often the case when…
Using Conservative Estimation for Conditional Probability instead of Ignoring Infrequent Case
Masato Kikuchi, Eiko Yamamoto, Mitsuo Yoshida +2
There are several estimators of conditional probability from observed frequencies of features. In this paper, we propose using the lower limit of confidence interval on posterior d…
Home Location Estimation Using Weather Observation Data
Yuki Kondo, Masatsugu Hangyo, Mitsuo Yoshida +1
We can extract useful information from social media data by adding the user's home location. However, since the user's home location is generally not publicly available, many resea…