The mode is a fundamental descriptive statistic in data analysis, signifying the most frequent
element within a dataset. The range mode query (RMQ) problem expands upon this concept …

Spatial and temporal information are recorded with each measurement in so-called
spatiotemporal (ST) data. The space-time information added to each measurement makes …

The main contribution of this paper is to present a straightforward yet effective historical input
selection method for real-time traffic forecasting. Historical inputs are crucial elements in …

최근 미세먼지나 강수량 자료 등 시간과 공간에 따라 수집되는 시공간 자료에 대한 관심이
증가하고 있다. Gao 등 (2019) 은 공간 자료의 군집에 많이 쓰이는 Moran's I 와 Local Moran's I …

Geomagnetic-based indoor positioning has been widely studied as an alternative to WiFi-
based indoor positioning systems. However, the geomagnetic-based approach is …

In this study, nationwide air quality monitoring stations were classified into three groups by
the hierarchical clustering method with PM2. 5 time-series for high PM2. 5 pollution periods …