Real understanding of real estate forms.

Finding an apartment is a lengthy and tedious process. Once decided, one can never be sure not to have missed an even better offer which would have been just one click away. Form understanding is key to automatically access and process all the relevant - -and nowadays readily available - -data. We i...

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Main Authors: Furche, T, Gottlob, G, Grasso, G, Guo, X, Orsi, G, Schallhart, C
Other Authors: Akerkar, R
Format: Journal article
Language:English
Published: ACM 2011
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author Furche, T
Gottlob, G
Grasso, G
Guo, X
Orsi, G
Schallhart, C
author2 Akerkar, R
author_facet Akerkar, R
Furche, T
Gottlob, G
Grasso, G
Guo, X
Orsi, G
Schallhart, C
author_sort Furche, T
collection OXFORD
description Finding an apartment is a lengthy and tedious process. Once decided, one can never be sure not to have missed an even better offer which would have been just one click away. Form understanding is key to automatically access and process all the relevant - -and nowadays readily available - -data. We introduce opal (ontology-based web pattern analysis with logic), a novel, purely logical approach to web form understanding: opal labels, structures, and groups form fields according to a domain-specific ontology linked through phenomenological rules to a logical representation of a DOM. The phenomenological rules describe how ontological concepts appear on the web; the ontology formalizes and structures common patterns of web pages observed in a domain. A unique feature of opal is that all domain-independent assumptions about web forms are represented in rules, whereas domain-specific assumptions are represented in the ontology. This yields a coherent logical framework, robust in face of changing web trends. We apply opal to a significant, randomly selected sample of UK real estate sites, showing that straightforward rules suffice to achieve high precision form understanding. © 2011 ACM.
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spelling oxford-uuid:eab35bf7-754d-423f-9256-8cbd58ab8d9d2022-03-27T11:04:10ZReal understanding of real estate forms.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:eab35bf7-754d-423f-9256-8cbd58ab8d9dEnglishSymplectic Elements at OxfordACM2011Furche, TGottlob, GGrasso, GGuo, XOrsi, GSchallhart, CAkerkar, RFinding an apartment is a lengthy and tedious process. Once decided, one can never be sure not to have missed an even better offer which would have been just one click away. Form understanding is key to automatically access and process all the relevant - -and nowadays readily available - -data. We introduce opal (ontology-based web pattern analysis with logic), a novel, purely logical approach to web form understanding: opal labels, structures, and groups form fields according to a domain-specific ontology linked through phenomenological rules to a logical representation of a DOM. The phenomenological rules describe how ontological concepts appear on the web; the ontology formalizes and structures common patterns of web pages observed in a domain. A unique feature of opal is that all domain-independent assumptions about web forms are represented in rules, whereas domain-specific assumptions are represented in the ontology. This yields a coherent logical framework, robust in face of changing web trends. We apply opal to a significant, randomly selected sample of UK real estate sites, showing that straightforward rules suffice to achieve high precision form understanding. © 2011 ACM.
spellingShingle Furche, T
Gottlob, G
Grasso, G
Guo, X
Orsi, G
Schallhart, C
Real understanding of real estate forms.
title Real understanding of real estate forms.
title_full Real understanding of real estate forms.
title_fullStr Real understanding of real estate forms.
title_full_unstemmed Real understanding of real estate forms.
title_short Real understanding of real estate forms.
title_sort real understanding of real estate forms
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