NAUDA: a cooperative natural language interface to relational databases
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
Performance standards and evaluations in IR test collections: cluster-based retrieval models
Information Processing and Management: an International Journal
SuperBook: an automatic tool for information exploration—hypertext?
HYPERTEXT '87 Proceedings of the ACM conference on Hypertext
Towards a theory of natural language interfaces to databases
Proceedings of the 8th international conference on Intelligent user interfaces
Using Multiple Clause Constructors in Inductive Logic Programming for Semantic Parsing
EMCL '01 Proceedings of the 12th European Conference on Machine Learning
Interactive Query Formulation in Semistructured Databases
FQAS '02 Proceedings of the 5th International Conference on Flexible Query Answering Systems
Query Construction through Meaningful Suggestions of Terms
FQAS '02 Proceedings of the 5th International Conference on Flexible Query Answering Systems
Querying XML Documents Made Easy: Nearest Concept Queries
Proceedings of the 17th International Conference on Data Engineering
The VLDB Journal — The International Journal on Very Large Data Bases
XRANK: ranked keyword search over XML documents
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Retrieving NASA problem reports: a case study in natural language information retrieval
Data & Knowledge Engineering - NLDB2002
Texquery: a full-text search extension to xquery
Proceedings of the 13th international conference on World Wide Web
Dependence language model for information retrieval
Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
NaLIX: an interactive natural language interface for querying XML
Proceedings of the 2005 ACM SIGMOD international conference on Management of data
Question answering passage retrieval using dependency relations
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
A hybrid approach to natural language web search
EMNLP '02 Proceedings of the ACL-02 conference on Empirical methods in natural language processing - Volume 10
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
XSEarch: a semantic search engine for XML
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Enabling Schema-Free XQuery with meaningful query focus
The VLDB Journal — The International Journal on Very Large Data Bases
Making database systems usable
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
NaLIX: A generic natural language search environment for XML data
ACM Transactions on Database Systems (TODS)
Querying complex structured databases
VLDB '07 Proceedings of the 33rd international conference on Very large data bases
SQAK: doing more with keywords
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
PANTO: A Portable Natural Language Interface to Ontologies
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
Addressing ontology-based question answering with collections of user queries
Information Processing and Management: an International Journal
SAIL: Structure-aware indexing for effective and progressive top-k keyword search over XML documents
Information Sciences: an International Journal
Enabling domain-awareness for a generic natural language interface
AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 1
Constructing composite web services from natural language requests
Web Semantics: Science, Services and Agents on the World Wide Web
Efficient keyword search over data-centric XML documents
APWeb/WAIM'07 Proceedings of the joint 9th Asia-Pacific web and 8th international conference on web-age information management conference on Advances in data and web management
Framework for text-based conversational user-interface for business applications
KSEM'07 Proceedings of the 2nd international conference on Knowledge science, engineering and management
Attribute-Based Messaging: Access Control and Confidentiality
ACM Transactions on Information and System Security (TISSEC)
Using structural information in XML keyword search effectively
ACM Transactions on Database Systems (TODS)
Term disambiguation in natural language query for XML
FQAS'06 Proceedings of the 7th international conference on Flexible Query Answering Systems
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We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which can be quite complex and include aggregation, nesting, and value joins, among other things. This query is translated, potentially after reformulation, into an XQuery expression. The translation is based on mapping grammatical proximity of natural language parsed tokens in the parse tree of the query sentence to proximity of corresponding elements in the XML data to be retrieved. Our experimental assessment, through a user study, demonstrates that this type of natural language interface is good enough to be usable now, with no restrictions on the application domain.