[PDF] Top 20 QUEST: A Natural Language Interface to Relational Databases

... By analyzing real query logs in our system, we observed that in most cases, nested questions include comparative expressions, such as ”more than” and ”higher than”. Be- ing motivated by this observation, we proposed a ... See full document

... the interface depends on the quantity and qual- ity of semantic information stored in the domain ...the natural language ...ral language interface system that models queries in an ... See full document

... Relational databases are queried using database query languages such as SQL. Natural language interfaces to databases (NLIDB) are systems that translate a natural language ... See full document

... maps natural language questions to a Machine Readable Language formula (MRL) which can be exe- cuted against the OSM ...an interface (see Figure 1 for a screenshot) that makes the parser ... See full document

... The analysis of NL question starts translating it into a set of intermediate representations – query triples. Further, relation similarity service (RSS) is used to map query triples to ontology compliant triples. On- ... See full document

... The short-form of the questions asked about feature fields are given in Figure 5, using the field EXP; the value YES indicates there is an export license for a given processor, and NO in[r] ... See full document

... This intermediate representation language approach was used in creating MASQUE/SQL [4]. MASQUE/SQL only supports Ingres for UNIX. Androutsopoulos et al [4] claim that the system can be easily ported to any DBMS ... See full document

... in natural language interface design to date have focused on handling rather simple natural language ...to natural language questions, as opposed to documents containing ... See full document

... controlled natural language interface to temporal databases, based on translating nat- ural language questions into SQL/Temporal, a temporal database query ... See full document

... system interface (frontend) and level of understanding at high, however 30% of participant’s rated these features between low and ...any databases or Structural Query Language (SQL) knowledge, the ... See full document

... 2. Precise: Precise is a system developed at the University of Washington by Ana-Maria Popescu, Alex Armanasu, Oren Etzioni, David Ko, and Alexander Yates (2004). The target information is within the sort of an ... See full document

... For example, TED asks for the heading names of the columns, for possible synonyms for t h e heading names, and for information about the types of values numeric, Boolean, or symbolic tha[r] ... See full document

... In order to provide for the closest possible parallel between the interpretation of questions in our theory and the query semantics of HRDM, we hoped to define the semantics of our Engli[r] ... See full document

... Natural language interfaces for databases have been studied for ...in natural language on a step by step basis (Codd, 1974; Hendrix et ...in natural lan- guage: modifier ... See full document

... a relational database (RDBMS). When applications interface to this type of database, it will normally interface as though the data is stored as ...a relational database, except that it has an ... See full document

... In syntax-based systems, the user query is parsed and the generated parse tree is directly mapped to an expression in database query language. In syntax-based systems the generated grammar defines the possible ... See full document

... between natural language and database schema be automatically generated by the CM in order to reduce the user intervention to configure our ...to databases and graphical ... See full document

... If two classes are connected by an attribute relationship, this rule selects the root class of the relation as the meaning of the unified class, because the root class clarifies the sema[r] ... See full document

... unconstrained natural language is far from being ...processing language or testing natural language processing techniques in restricted ...with language present in a buyer-seller ... See full document

... traditional relational and non-relational databases to improve the performance of the database and to increase the throughput as well as to decrease the computation ...both relational and ... See full document