Masafumi Ono, Masahiko Nagai, Ryosuke ShibasakiCenter for Spatial Information Science, The University of Tokyo

Global Observation Data Integrationwith Lexicographic and Geospatial Ontology

For Social Needs

Create new Knowledge for Earth System Science

Flood predictionBetter use of data

Agriculturemanagement

Cooperationwith internationalOrganizations

Cooperationwith internationalOrganizations

Numericalprediction

Metrologicalinformation

IntegratedInformation

Predictionneeds

Disperseduse

Centralized Data Integration & Fusion

①data archive, storage, integration②data assimilation, visualization, mining③design for database schema④data collection and distribution⑤sensor data fusion

Integration of Distributive Data(association)

①constriction of ontology registry②service by ontology registry③distinguished DB for agriculture④distinguished DB for satellite data

Core System

Ea

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Ground observation data

Satellite data

IntegratedInformation

data

Integrationmethod

Cooperationwith International Research Center

Cooperation with Earth Observation Plans

Flood data

Oceanic data

DB

DB

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A1:高度成長社会A2：多元化型B1:持続発展型B2：地域共存型

DB

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気象用語

农业

เกษตรกรรม

농업To guarantee data quality or reliability.

To understand Trans - disciplinary database by translation of heterogeneous “term”

biology

term

Landuse Classification

schemaHealth

Science

Agriculture

termHydrolog

yterm

Climatology

To know where data is and what format is, and to access to heterogeneous system.

Development of Ontology registry system (collection, comparison, editing etc.) Development of Ontology service system by using Ontology registry system

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MetadataElement

CoreElement(MD_Metadata)

ProfessionalElement OrganizationalElement

+professionalElement0..*0..*+coreElement+organizationalElement

0..*

Socio Economic data schema

Population data schemaHealth data shema

Climate data schema

Hydrology data schema

Landuse data schema

Agriculture data schema

Crop Yield data schema

Land use model

Lexicographic OntologyLexicographic Ontology Geospatial OntologyGeospatial Ontology

Data integration Data integration by intermediation of Ontologyby intermediation of Ontology

Based on dictionary of various fields, data model, or name space.

Based on Gazetteer, Land use schema, Maps.

Information Fusion with Ontology

Dictionaries for Lexicographic Ontology

Visualizing

Ontology RegistryOWL/RDF

C

UMLMetadata

c

Data Schema

Reverse Dictionary

“Table editor” for Association/Link Edit

Data collection with Semantic Media Wiki

Management for Reliability

Flame Work and Developing Tools

Geospatial ontology・ the meanings for place names

・ reference functions as proper nouns

・ position in coordinate reference systems

・ geometry with coordinates

Coordinate referencingOntology

・ standard for feature discernment

・ general feature model

Place name(Toponym)Ontology

Feature typeOntology

Geospatial Feature

Ontology

Spatial relationOntology

・ topology

・ the relations between classes

・ the relations between instances

・ reasoning rules

・ generalization and classification for geographic features

・ category types for places

・ hierarchy of categories

Concept and Functions of Place names

Place Name・ By nature of feature・ By shape of physical object・ By human name・ By combining name・ contains generic class・ By relative to other names・ popular name・ abbreviation・ By fiction

Naming conventionNaming convention

Geographic locationHistory

(diachronicity)

Common knowledge(synchronicity)

・ code translation・ language translation (phoneme)・ language translation (meaning)・ synonymous・ alternative・ historical change

changechange

It may change its meaning or referenced information

ReferenceReference

The name itself contains and Indicates meanings

Introduced speciesBombus terrestris( ）ｾｲﾖｳｵｵﾏﾙﾊﾅﾊﾞﾁ

import

Pollination （受粉）

Native species

ｴｿﾞｵｵﾏﾙﾊﾅﾊﾞﾁｴｿﾞﾅｶﾞﾏﾙﾊﾅﾊﾞﾁ

fly out ofa vinyl house

crisis of extinction

citizens activity

extermination

Scientist

Gazetteer

GIS Analysis Ground truth data

Ontology

Prototype of Gazetteer and application

・ problem on synchronicity

・ problem on diachronicity

JapanKorea

?

“ 日本海”(Japanese Sea)

The other countries

“ 동해”(East Sea)

heritage

ancestorauthority

Change and

decisions

Decided name

Heritage name

Local communityglobal

community

Problems on gazetteer architecture