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SERVO-CCE - PowerPoint PPT Presentation

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SERVO-CCE. Tools for GPS Time Series and Earthquake Catalogs. Main Menu. Download Catalogs. Download GPS Time Series Catalogs and Earthquake Catalogs.

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servo cce


Tools for

GPS Time Series and Earthquake Catalogs

download catalogs
Download Catalogs
  • Download GPS Time Series Catalogs and Earthquake Catalogs.
  • GPS Time Series CatalogsJPL Filtered : Point :
  • Earthquake CatalogsSCSN :


catalogs to gml xml format
Catalogs to GML/XML Format
  • Downloaded catalogs are converted to GML format.
  • This allows us to
    • Have a common data format
    • Use native XML Databases like Xindice or Sleepycat.
gml format gps data
GML Format GPS Data


<Date DecimalYear="2001.6427">01AUG23</Date>

<Estimate uom="cm">-5.20310199631932</Estimate>

<Sigma uom="cm">0.766566081927471</Sigma>




gml format earthquake data
GML Format Earthquake Data











<Magnitude uom="r">0.0</Magnitude>

<Depth uom="mm">6.0</Depth>





<Date Year="1932" Month="01" Day="01">1932-01-01</Date>

<Time Hour="23" Minute="52" Second="07.87">23:52:07.87</Time>



xml databases
XML Databases
  • The System supports both Xindice and Berkeley XML DB (Sleepycat).
  • We have Web Service interfaces to manage the XML DBs.
query construction for xml db search
Query Construction for XML DB Search
  • Queries for both GPS and Earthquake catalog searches are generated by our system.
  • Sample Query:
  • /GPSDataContainer/GPSData[Site[text()='7ODM'] and Component[text()='LAT'] and Date[@DecimalYear>=2002] and Date[@DecimalYear<2004] and Estimate[text()>=0] and Estimate[text()<=3.2]]