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Aalto-yliopisto, lnsinööritieteiden korkeakoulu Maanmittaustieteiden laitos

Paula Ahonen-Rainio

Exam 20.5.2011

Maa-123.1310 Theories and Techniques in Geoinformatics

Each question max 1"0 points.

1,.

Mitä tarkoittaa spatiaalinen autokorrelaatio? Miten se voidaan määrittää? Miten sitä käytetään hyväksi spatiaalisessa analyysissa?

What does spatial autocorrelation stand for? How can it be determined? How is it used in

spatialanalysis?

2.

Mitä tarkoittaa spatiaalinen indeksointija mihin sitä tarvitaan? Mainitse menetelmiä, joilla voidaan indeksoida vektorimuotoista paikkatietoa, ja kuvaile yksi menetelmä.

What does spatial indexing stand for and what is it used for? Name methods that can be used for indexing geographic data in vector form and describe one method.

3.

Selitä, mitä tarkoittavat tiedon laatuelementti (eli laatutekijä), laadun osaelementti (eli osatekijä) ja laatumittari.

Anna kolme esimerkkiä paikkatiedon laadun osaelementeistä sekä esimerkit niihin sopivista laatumittareista. Valitse osaelementit niin, että ne edustavat eri laatutekijöitä.

Explain the meaning of a data quality element (also called as quality factor), a data quality sub-element (sub-factor) and a quality measure. Give three examples of geographic data quality sub-elements and examples of quality measures that are applicable for them. Select the three sub-elements so that they represent different quality factors.

4.

INSPIRE-direktiivi pyrkii ennen muuta helpottamaan paikkatiedon saantia Euroopan tason

ympäritöpolitiikan tarpeisiin. Mitä direktiivi merkitsee Suomen kansallisen paikkatietoinfrastruktuurin

ka nna lta ?

INSPIRE directive aims at easy access to the geographic data needed for environmental policy-making at the European level. What does the directive mean from the viewpoint of the Finnish National spatial data infrastructure?

Viittaukset

LIITTYVÄT TIEDOSTOT

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