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Producing maps and geo-data at different scales is traditionally one of the main tasks of National (and regional) Mapping Agencies (NMAs). The derivation of low-scale maps (i.e. with less detail) from...
The quality of spatial data has a massive impact on its usability. It is therefore critical to both the producer of the data and its users. In this paper we discuss the close links between data qualit...
In this paper, a new approach is presented for the simplification or rather generalisation of building ground plans that are represented as 2D line segments. It is based on half-space modelling and c...
Multiple Representation Databases are structures that link different data sets based on common geometry and/or semantics. They offer the possibility to realize an efficient updating process in case of...
While standards for automated access and presentation of cartographic data over the internet are defined, services for automated generalisation and the transfer and storage of the data involved are no...
The Research & Innovation department at Ordnance Survey has been working for two years on a project to investigate the automatic generalisation of our data to derive a vector dataset matching the spec...
The drainage pattern of a river network is the arrangement in which a stream erodes the channels of its network of tributaries. It can reflect the geographical characteristics of a river network to ...

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