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- . Owner or a potential owner of a building part 
- Administrator of a part of a building if state-owned 
- Actual use of a building part 
- Number of floors in the building 
- . Connection with land cadastre (number of a parcel on 
or under which a building is set, or a parcel on which 
is building functionally linked) 
- . Connection with the Register of Spatial Units (house 
number when defined) 
- . Year of construction of building 
- Year of last renovation of a building and a building 
part 
- [Installations in a building (gas, telephone, cable TV, 
water, electricity...), 
- . Construction material of a building 
- . Number of rooms in a building part (apartment) 
- Information whether a building part has a kitchen, a 
bathroom, and a toilet. 
All records are presented together with the information about 
the completeness and reliability. 
2.4 Workflow 
Work is organised on the unit of a cadastral community. 
We can divide stages of workflow on: 
- First preliminary treatment of data (preparation of 
central register for data) 
- Preparation of data: merging photogrammetricaly 
acquired building outlines (connecting jutting roofs 
with main building) 
- . Automatic determination of type of the building 
- . Central automatic determination of different kinds of 
attributes which can be deduced out of several input 
sources 
- First phase at regional office: determination of 
attributes which are connected to a building 
- | Second phase at regional office: determination of 
attributes which are connected to a part of a building 
- Final merging and final inner control, adding data 
from assisting input data sources. 
  
Figure 4. Connecting jutting roofs with main building — we get 
just one outline of the building 
At the first and second phase of work at regional offices the 
work is closely connected with good local knowledge. The 
person who works at regional office has to check the automatic 
determination of different kinds of attributes and establish those 
not determined automatically. 
The data are saved centrally and are refreshed simultaneously 
with work, so there is no problem between different cadastral 
communities on which the work process is simultaneous. 
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Cadastre — Registry Data" 
3. DATA QUALITY CONTROL 
3.1 Data quality control by the contractors 
The contractors carry out inner control of the data quality. Data 
quality is regulated by operative instructions written in the 
public official invitation for tenders. When the work on the 
cadastral community is finished, and inner data quality control 
is finished, the cadastral community goes in the data quality 
control by the SMA. 
3.2 Data quality control by the SMA 
The data quality control carried out at SMA is performed on at 
least 5 % sample of buildings in cadastral community. If the 
cadastral community has less than 500 buildings, the control 
sample is bigger. Data quality control is divided in two parts: 
contents control and systematic control. 
Data quality control by SMA is performed at the local SMA 
offices (12 centres) and is based upon a controller with good 
local knowledge of the area (Operative instructions for data 
quality control by SMA, 2003). 
4. FIRST LAYOUT OF DATA TO THE POTENTIAL 
OWNERS 
After the end of the project the “Setup of Building Cadastre - 
Registry Data", project “The First Layout of Data to the 
Potential Owners” is planed. With this procedure the potential 
owners of buildings and a building parts will have a possibility 
to rectify different kinds of data in the register part of the 
building cadastre (not all data). 
At the moment “The Pilot Project of the First Layout of Data to 
the Potential Owners” is being carried out at Geodetic Institute 
of Slovenia. Its main tasks are: 
- Preparation of the methodology of the project 
- Finding out the conditions which will make this 
project possible and have to be regulated with 
different new laws (e.g. the taxation law) 
- A Finding out different possibilities how to inform the 
public about *The First Layout of Data to the 
Potential Owners" 
- . Ona test sample: testing the response of the potential 
owners to the information letters, which will inform 
them on the possibility to improve registry data.