28 citations · 37 across the 7 of their papers we have counts for
3 papers · 1 filter
Fast and Exact Outlier Detection in Metric Spaces: A Proximity Graph-based Approach
Daichi Amagata, Makoto Onizuka, Takahiro Hara
Distance-based outlier detection is widely adopted in many fields, e.g., data mining and machine learning, because it is unsupervised, can be employed in a generic metric space, an…
A General Method for Event Detection on Social Media
Yihong Zhang, Masumi Shirakawa, Takahiro Hara
Event detection on social media has attracted a number of researches, given the recent availability of large volumes of social media discussions. Previous works on social media eve…
Distributed Spatial-Keyword kNN Monitoring for Location-aware Pub/Sub
Shohei Tsuruoka, Daichi Amagata, Shunya Nishio +1
Recent applications employ publish/subscribe (Pub/Sub) systems so that publishers can easily receive attentions of customers and subscribers can monitor useful information generate…