Pregled bibliografske jedinice broj: 701769
Generating Spatio-Temporal Streaming Trajectories
Generating Spatio-Temporal Streaming Trajectories // Proceedings of 37th International Convention MIPRO 2014 / Biljanović, Petar (ur.).
Rijeka: Hrvatska udruga za informacijsku i komunikacijsku tehnologiju, elektroniku i mikroelektroniku - MIPRO, 2014. str. 1380-1385 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
CROSBI ID: 701769 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Generating Spatio-Temporal Streaming Trajectories
Autori
Mešković, Emir ; Osmanović, Dario ; Galić, Zdravko ; Baranović, Mirta
Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni
Izvornik
Proceedings of 37th International Convention MIPRO 2014
/ Biljanović, Petar - Rijeka : Hrvatska udruga za informacijsku i komunikacijsku tehnologiju, elektroniku i mikroelektroniku - MIPRO, 2014, 1380-1385
ISBN
978-953-233-078-6
Skup
37th International Convention MIPRO 2014
Mjesto i datum
Opatija, Hrvatska, 26.05.2014. - 30.05.2014
Vrsta sudjelovanja
Predavanje
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
Data Streams; DSMS; Spatio-Temporal; Trajectories
Sažetak
Recent research efforts in data stream management systems (DSMS) focus mainly on processing continuous queries over traditional data streams, and only a few addressed spatio-temporal continuous queries. OCEANUS presents an effort to extend TelegraphCQ DSMS with spatial support providing a platform for spatiotemporal streaming applications. Data type system that represents the formal basis for modeling moving objects in data streams, as well as an approach for managing moving objects in spatio-temporal data streams based on userdefined aggregate functions (UDAF) are presented. In this paper we are concerned with improving proposed approach for extracting moving objects out of spatio-temporal data streams based on UDAF. It is based on two methods for detecting static locations on trajectories of moving objects and for reducing total number of units in sliced representation by introducing trajectory buffer. First method leads to more precise results of certain operations over moving objects such as retrieving information about speed and direction, but also enables introduction of few new operations such as retrieving static locations and overall stoppage time on moving object's trajectory. Second method leads to better memory usage during processing spatio-temporal continuous queries in DSMS.
Izvorni jezik
Engleski
Znanstvena područja
Računarstvo
POVEZANOST RADA
Projekti:
036-0361983-2020 - Baze podataka geoprostornih senzora i pokretnih objekata (Galić, Zdravko, MZO ) ( CroRIS)
Ustanove:
Fakultet elektrotehnike i računarstva, Zagreb