Search Results for author: Stephan Winter

Found 5 papers, 2 papers with code

Benchmarking Deep Learning Architectures for Urban Vegetation Point Cloud Semantic Segmentation from MLS

no code implementations17 Jun 2023 Aditya Aditya, Bharat Lohani, Jagannath Aryal, Stephan Winter

PointMetaBase and KPConv (omni-supervised) achieve the highest mIoU on the Chandigarh (95. 24%) and Toronto3D datasets (91. 26%), respectively while PointCNN provides the highest mIoU on the Kerala dataset (85. 68%).

Benchmarking Segmentation +1

Translating Place-Related Questions to GeoSPARQL Queries

1 code implementation6 May 2022 Ehsan Hamzei, Martin Tomko, Stephan Winter

Many place-related questions can only be answered by complex spatial reasoning, a task poorly supported by factoid question retrieval.

Geographic Question Answering Question Answering +1

Templates of generic geographic information for answering where-questions

1 code implementation21 Jan 2021 Ehsan Hamzei, Stephan Winter, Martin Tomko

In this paper, we present templates that allow to characterize the human-generated answers and to imitate their structure.

Reading Comprehension

Disambiguating fine-grained place names from descriptions by clustering

no code implementations17 Aug 2018 Hao Chen, Maria Vasardani, Stephan Winter

Everyday place descriptions often contain place names of fine-grained features, such as buildings or businesses, that are more difficult to disambiguate than names referring to larger places, for example cities or natural geographic features.

Clustering

Geo-referencing Place from Everyday Natural Language Descriptions

no code implementations9 Oct 2017 Hao Chen, Maria Vasardani, Stephan Winter

Current techniques for geo-referencing places from text documents are using place name recognition and disambiguation; however, place descriptions often contain place references that are not known by gazetteers, or that are expressed in other, more flexible ways.

Toponym Resolution

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