Abstract
We present the dataset GeoQuestions1089 for benchmarking geospatial question answering engines. GeoQuestions1089 is the largest such dataset available presently and it contains 1089 questions, their corresponding GeoSPARQL or SPARQL queries and their answers over the geospatial knowledge graph YAGO2geo. We use GeoQuestions1089 to evaluate the effectiveness and efficiency of geospatial question answering engines GeoQA2 (an extension of GeoQA developed by our group) and the system of Hamzei et al. (2021).
This work was supported by the first call for H.F.R.I. Research Projects to support faculty members and researchers and the procurement of high-cost research equipment grant (HFRI-FM17-2351). It was also partially supported by the ESA project DA4DTE (subcontract 202320239), the Horizon 2020 project AI4Copernicus (GA No. 101016798) and the Marie Skłodowska-Curie project QuAre (GA No. 101032307).
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Notes
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For comparison purposes, for each question category, we comment whether the search engines Google and Bing can answer such questions after having tried a few examples.
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The conceptual framework of Hamzei et al. [9] is much richer than the one of GeoQA2 and it includes concepts such as events, times etc. but it has not been tested with KGs or datasets involving these concepts.
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Kefalidis, SA. et al. (2023). Benchmarking Geospatial Question Answering Engines Using the Dataset GeoQuestions1089. In: Payne, T.R., et al. The Semantic Web – ISWC 2023. ISWC 2023. Lecture Notes in Computer Science, vol 14266. Springer, Cham. https://doi.org/10.1007/978-3-031-47243-5_15
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