Essays about: "window query"

Found 5 essays containing the words window query.

  1. 1. Post-Correction of time series forecasts

    University essay from Högskolan i Halmstad/Akademin för informationsteknologi

    Author : Arunas Kalinauskas; Dennis Slepov; [2023]
    Keywords : time series forecasting;

    Abstract : Time series forecasting is an important problem with various applications in different domains. Improving forecast performance has been the center of investigation in the last decades. Several pieces of research show that old statistical methods, such as ARIMA, are still state-of-the-art in many domains and applications. READ MORE

  3. 2. Maintaining Stream Data Distribution Over Sliding Window

    University essay from Mittuniversitetet/Avdelningen för informationssystem och -teknologi

    Author : Jian Chen; [2018]
    Keywords : Datastream; online algorithm; quantile problem; online analysis;

    Abstract : In modern applications, it is a big challenge that analyzing the order statistics about the most recent parts of the high-volume and high velocity stream data. There are some online quantile algorithms that can keep the sketch of the data in the sliding window and they can answer the quantile or rank query in a very short time. READ MORE

  4. 3. Generating geospatial heatmaps : Optimizing point-region quadtrees for window queries

    University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

    Author : Jesper Norberg; [2015]
    Keywords : geospatial; geographic; heatmap; point region; point-region; quadtree; window query; värmekarta; fönsterförfrågning; geografisk;

    Abstract : This study aims to investigate and identify how to effectively generate blurred geospatial heatmaps for use in geo-spatial map engines. We focus on how to store the points in a way that facilitates efficient window querying, with support for zoom-level handling. READ MORE

  5. 4. An Android mobile GIS application for facilitating field work in electric utility

    University essay from Högskolan i Gävle/Avdelningen för Industriell utveckling, IT och Samhällsbyggnad

    Author : Xiaoguo Wan; [2014]
    Keywords : Mobile GIS; electric utilities; field work; Android; mobile application;

    Abstract : Geographic Information System (GIS) is a technology that can help collect, edit, store, manage, transform, analyze and represent data. This research aimed to show how mobile GIS application can  be designed, developed and applied to electric field work. An Android mobile application, which had been integrated with GIS was developed in Java. READ MORE

  6. 5. Frequent Route Based Continuous Moving Object Location and Density Prediction on Road Networks

    University essay from Institutionen för informationsteknologi

    Author : Manohar Kaul; [2011]
    Keywords : ;

    Abstract : Emerging trends in urban mobility have accelerated the need for effective traffic management and prediction systems. Simultaneously, the widespread adoption of GPS-enabled mobile devices has opened radical new possibilities for such systems. READ MORE