[PDF] Top 20 Evaluation of SPARQL query generation from natural language questions

... In this paper, we focus on one specific aspect of the gray-box evaluation: the mapping to TUIs. As will be seen, mapping to TUIs when appropri- ate, and of course to the correct TUI, is an impor- tant feature of ... See full document

... keyword query ambiguity in a limited fashion by identifying fine-grained semantic units or segments of a ...interpretations from the space of interpretations considered and therefore produces better quality ... See full document

... initial evaluation, we applied these metrics to a selection of 12 natural language questions about the data in the Adventure Works (Codeplex Open Source Community, 2008) database that could be ... See full document

... mapping questions into structured queries includes the work by Frank et ...question language so that questions could be directly mapped onto the vocabulary of the underlying ...mapping ... See full document

... firing query is corrects the misspelled word immediately After recognizing the ...word. Query Mapping In this the natural language query is taken in English Language, any form of ... See full document

... binary questions mined from unstructured ...terms from unstructured descriptions of records in a ...system-generated questions for grammaticality and refinement ...well-formed questions, ... See full document

... in questions or queries, we normalize their format to be consistent with the ...copied from the ques- ...our evaluation on the full development and test ... See full document

... ranging from commerce to military ...controlled query evaluation, which depends on each agent’s risk/benefit ...specific natural language interfaces need to be developed to handle ... See full document

... Semantic query editing tool. It supports visual query building and different options of SPARQL ...for SPARQL query, where as our prototype fully designed for communicating with the ... See full document

... common query language - ...and evaluation by removing the need to design an integrative schema, download, homogenize, and finally warehouse data subsets in order to ask common domain-spanning ... See full document

... between natural languages and with Natural Language Generation ...concepts from WordNet and maps them to appropriate words to produce large amounts of lexical paraphrases for a spe- ... See full document

... the query decomposition problem in the context of data integration on the Web of Data, where local data sources are RDF datasets described by an ontology and accessed through SPARQL ... See full document

... At the time of execution of XQUERY request [10], we generate partially the data of the data source in XML format. This solution facilitates the optimization of the system because it doesn’t need to define multiple ... See full document

... and query languages (e.g., SPARQL, RDQL and RQL) have been developed with ...activity. SPARQL cannot search data in RDB model because RDB model use SQL as query ...are natural way to ... See full document

... There have been several previous proposals for applying flexible querying to the Semantic Web, mainly employing similarity measures to retrieve additional answers of possible relevance. For ex- ample, in [10] matching ... See full document

... What has happened here is that, from the point of view of making a house-building plan, the planner cannot make use of properties of a general action like 'install,' and so its represent[r] ... See full document

... RDF query languages to query such data, and SPARQL is one of ...the SPARQL queries are very slow for RDF data with millions of ...a Query Performance Appraisal using SPARQL & ... See full document

... indistinguishable from the ref- erence in terms of quality (“Agassi bows out of Australian Open after injury”), and the model as- signs high probability to the reference (“Agassi withdraws from Australian ... See full document

... REFEX from the ALT-REFEX list for each REF in each TEXT in the test sets, including any embedded REF ...coherent. Evaluation software: We provide a software tool which computes the following metrics: (i) ... See full document

... A Natural language query builder can be developed using dependency parser. Dependency Parsing presents a number of advantages when compared to syntactic parsing. Dependency parsing has three main ... See full document