APPARATUS AND METHOD FOR PROCESSING CONTINUOUS QUERY

PURPOSE: A consecutive query process apparatus for processing time-space query through time-space information is provided to realize a situation deduction and application using an efficient sensor stream by implement a continuous query. CONSTITUTION: A continuous query processor(210) acquires an ope...

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Hauptverfasser: KIM, KWANG HO, JU, SUNG WAN, KANG, BYOUNG JUN, KWON, O JE, OH, SEUNG, CHOI, HYUNG JOO, LI, KI JOUNE, CHOI, KEUN HO, LEE, JAI HO
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:PURPOSE: A consecutive query process apparatus for processing time-space query through time-space information is provided to realize a situation deduction and application using an efficient sensor stream by implement a continuous query. CONSTITUTION: A continuous query processor(210) acquires an operator list composing the continuous query by parsing the continuous query. A stream converter(220) converts a sensor stream into context-aware data through a spatial operator, a temporal operator and time-space operator.