activity
20222024
most citedUnsupervised Human Activity Recognition through Two-stage Prompting with ChatGPT

4 citations · 6 across the 6 of their papers we have counts for

collaborators

6 papers

cs.HC2024

Preliminary Investigation of SSL for Complex Work Activity Recognition in Industrial Domain via MoIL

Qingxin Xia, Takuya Maekawa, Jaime Morales +4

In this study, we investigate a new self-supervised learning (SSL) approach for complex work activity recognition using wearable sensors. Owing to the cost of labeled sensor data c…

cs.DB2023

Fast Algorithm for Embedded Order Dependency Validation (Extended Version)

Alejandro Ramos, Takuya Uemura, Daichi Amagata +2

Order Dependencies (ODs) have many applications, such as query optimization, data integration, and data cleaning. Although many works addressed the problem of discovering OD (and i…

cs.LG2023

Organized Event Participant Prediction Enhanced by Social Media Retweeting Data

Yihong Zhang, Takahiro Hara

Nowadays, many platforms on the Web offer organized events, allowing users to be organizers or participants. For such platforms, it is beneficial to predict potential event partici…

cs.HC20234 cited

Unsupervised Human Activity Recognition through Two-stage Prompting with ChatGPT

Qingxin Xia, Takuya Maekawa, Takahiro Hara

Wearable sensor devices, which offer the advantage of recording daily objects used by a person while performing an activity, enable the feasibility of unsupervised Human Activity R…

cs.DB2022

Learned k-NN Distance Estimation

Daichi Amagata, Yusuke Arai, Sumio Fujita +1

Big data mining is well known to be an important task for data science, because it can provide useful observations and new knowledge hidden in given large datasets. Proximity-based…

cs.DB20222 cited

Fast Density-Peaks Clustering: Multicore-based Parallelization Approach

Daichi Amagata, Takahiro Hara

Clustering multi-dimensional points is a fundamental task in many fields, and density-based clustering supports many applications as it can discover clusters of arbitrary shapes. T…