Performance improvement techniques for geospatial web services in a cyberinfrastructure environment - A case study with a disaster management portal

WenWen Li, Miaomiao Song, Bin Zhou, Kai Cao, Song Gao

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

High population growth, urbanization, and global climate change drive up the frequency of disasters, affecting the safety of people's lives and property worldwide. Because of the inherent big-data nature of this disaster-related information, the processes of data exchange and transfer among physically distributed locations are increasingly challenging. This paper presents our proposed efficient network transmission model for interoperating heterogeneous geospatial data in a cyberinfrastructure environment. This transmission model supports multiple data encoding methods, such as GML (Geography Markup Language) and GeoJSON, as well as data compression/decompression techniques, including LZMA and DEFLATE. Our goal is to tackle fundamental performance issues that impact efficient retrieval of remote data. Systematic experiments were conducted to demonstrate the superiority of the proposed transmission model over the traditional OGC Web Feature Service (WFS) transmission model. The experiments also identified the optimized configuration for data encoding and compression techniques in different network environments. To represent a real-world user request scenario, the Amazon EC2 cloud platform was utilized to deploy multiple client nodes for the experiments. A web portal was developed to integrate the real-time geospatial web services reporting with real-time earthquake related information for spatial policy analysis and collaborative decision-making.

Original languageEnglish (US)
Pages (from-to)314-325
Number of pages12
JournalComputers, Environment and Urban Systems
Volume54
DOIs
StatePublished - Nov 1 2015

Fingerprint

disaster management
disaster
management
performance
data exchange
experiment
compression
policy analysis
decompression
population growth
services
urbanization
global climate
natural disaster
climate change
decision making
scenario
safety
geography
earthquake

Keywords

  • Disaster management
  • GeoJSON
  • Geospatial cyberinfrastructure (GCI)
  • GML
  • Rapid response
  • Service-oriented architecture (SOA)
  • WFS
  • WMS

ASJC Scopus subject areas

  • Ecological Modeling
  • Environmental Science(all)
  • Geography, Planning and Development
  • Urban Studies

Cite this

Performance improvement techniques for geospatial web services in a cyberinfrastructure environment - A case study with a disaster management portal. / Li, WenWen; Song, Miaomiao; Zhou, Bin; Cao, Kai; Gao, Song.

In: Computers, Environment and Urban Systems, Vol. 54, 01.11.2015, p. 314-325.

Research output: Contribution to journalArticle

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