Alexandru Chitea

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We present ESTER, a modular and highly efficient system for combined full-text and ontology search. ESTER builds on a query engine that supports two basic operations: prefix search and join. Both of these can be implemented very efficiently with a compact index, yet in combination provide powerful querying capabilities. We show how ESTER can answer basic(More)
Web Map Services 1 (WMSes) have been successfully used in a broad range of applications, from meteorology to disaster mitigation. Moreover, as academic and research tools, they are employed by geoscientists to explore discrete properties of the Earth's surface, such as, for example, elevation levels or marine shorelines. As the WMSes in use today are(More)
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