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An Event-Driven Approach for Querying Graph-Structured Data
Mar 28, 2014 ... Data Using Natural Language ... isting NL query interfaces to graph-based data have lim- .... In 5 we introduce a new event-based version.
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A Demonstration of a Natural Language Query Interface to an Event
Natural language semantic-web queries can be treated as expressions of the lambda ... to an event-based triplestore using only basic triple retrieval operations . .... structure. Readers can copy and paste some of the examples into the “query” box on the ... queries over linked data graphs: a distributional semantics approach.
[ ESWC_DEMO.pdf - Read/Download File

A Denotational Semantics for Natural Language Query Interfaces to
for use with natural-language query interfaces to semantic-web triple- stores. Words in ... of this approach: a) the query processor can easily be implemented as a syntax-directed ... basis to build NL query interfaces for semantic web event- based triplestores. The semantics is ...... Querying graph-structured data using natural ...
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Ontology-Based Translation of Natural Language Queries to SPARQL
Ontology-Based Translation of Natural Language Queries to SPARQL. Malte Sander1,2, Ulli ... to industry data using ontologies and lexicons, is a sim- ... thermore, virtual RDF graphs do support the DB-driven knowledge ... While structured data with. Copyright ... events based on unstructured data is prone to errors and dif-.
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Querying RDF Data with Text Annotated Graphs - UMBC ebiquity
users to query complex structured data has been the subject of much research over ... knowledge-base in natural language, an approach that has seen much work ..... plan to implement these features using form-based fields and pull-down menus ...... “Battle”, “Year” and “took place” to #Commander5, Event and inversed  ...
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A Natural Language Query Interface to Structured Information - Gate
Accessing structured data such as that encoded in ontologies and knowledge bases ... This paper presents the QuestIO system – a natural language interface .... relations. Alternatively, advanced users can type a query using a formal language .... Our approach is based on the observation that most ontologies and knowl-.
[ clone-ql.pdf - Read/Download File

Natural Language Queries over Heterogeneous Linked Data Graphs
Graphs: A Distributional-Compositional Semantics. Approach. Andre Freitas. Insight Centre for Data ... proaches allow users to search using intuitive keyword- based interfaces. ... expressive and semantic queries over structured data. At the core of ... their information needs using natural language, can also sup- port users to ...
[ preprint_iui_2014.pdf - Read/Download File

A Graph-Based Approach to Skill Extraction from Text
Oct 18, 2013 ... between the field of Graph Theory (GT) and Natural Language Processing (NLP). The mix .... Graph-Based Unsupervised Learning of Word Similarities Using .... in structured event-based text representations. ... define an event-oriented query as a query referring ..... Kernels for structured data in natural.
[ W13-50.pdf - Read/Download File

Event-based Multi-document Summarization - the Spoken
Our approach is based on a two-stage single-document method that extracts a ... single and multi-document summarization using filtering and event-based features. To cope with the ... model for labeling and segmenting structured data. ... spoken contexts using natural human languages instead of computer languages.
[ dissertation-lmarujo.pdf - Read/Download File

SPARK: Adapting Keyword Query to Semantic Search
per, we explore a novel approach of adapting keywords to querying the semantic web: the ... users can keep the habit of typing keywords and querying the semantic web data ... In ontology, a semantic query is equal to a query graph with con- .... graph pattern based query language, it is straightforward to convert the query.
[ ISWC2007_RT_Zhou(2).pdf - Read/Download File

PGQL: a Property Graph Query Language - CWI
Jun 24, 2016 ... Graph-based approaches to data analysis have become more widespread ... Keywords. Graph query languages, graph-structured data, property graphs. 1. ... make it hard to express graph queries in a natural way. A more nat- ..... 3.2.3 Union. Using the UNION construct, one can match alternative patterns.
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Mining Large-Scale Knowledge Graphs to Discover Inference Paths
query expansion in NLIDB (Natural Language Interface to ... The growth in structured data, coupled with an increased ... the results based on the inference. ... Our approach takes two inputs: a knowledge graph and a .... proach selects the best paths using a Z-score filter, rather ..... Historical Event, e.g. american revolution.
[ 9087 - Read/Download File

Learning an Optimal Sequence of Questions for the Disambiguation
the Disambiguation of Queries over Structured Data. Achim Rettinger ... Human- machine interaction using natural language is typ- ... existing approaches which apply active learning, our system does not depend ... answer set programming and circumscriptive event calcu- lus) and ... ministic rule-based simulations of users.
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NEAR NEIGHBOR EXPLORATIONS FOR KEYWORD-BASED
2.2.2 Semi-Structured XML Data: Keyword Searches on XML Documents 22. 2.2. 3 Schema-less ... 4.3 Optimized Approach: Use of Graph Locality . ... 6 Using RDF Summary Graph for Keyword-based Semantic Searches . . . . . . 71 ...... translation of the natural language questions into structured queries, most commonly.
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Survey on Challenges of Question Answering in the Semantic Web
tifies challenges faced by SQA approaches and presents approaches that tackle them. ... fram|Alpha is a natural language interface based on the computational ...
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Populating the Semantic Web—Combining Text and Relational
data is gradually being added to the Semantic Web but there is a need to ... from various structured and unstructured formats into the necessary graph form. The ... ically from English text using natural language processing methods. ... database dealt with, and should also demonstrate valid answers to queries that could.
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Ontology-based Visual Query Formulation: An - Ahmet Soylu
mation needs; however, current approaches for querying semantic data sources ... the knowledge of the underlying textual query language and the structure ... and natural language interfaces remain insufficient for querying structured data, ... ontology into a graph for navigation, which constitutes the backbone of the query.
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Articulate: Creating Meaningful Visualizations from Natural Language
Document Structure . ..... Using Articulate on the 25-foot Cyber Commons wall in the Electronic .... as specifying a desired graph type for a given data set, or assigning proper .... imprecise natural language queries into meaningful visualizations. .... However, most existing visualization systems are event-based systems that.
[ sun_yiwen_articulatethesis_3-12.pdf - Read/Download File

Financial Services Data Management - Oracle
uncommon for traditional ETL based approaches to take several days to extract, .... the expected date of the next 'Black Swan' event. ... unstructured text data is by using natural language processing (NLP). ... a graph structure within the database. .... Unlike in databases, queries are evaluated against data, in-memory , and ...
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A Survey of Graphs in Natural Language Processing - HLT-NLP - FBK
We provide an overview of how Natural Language Processing (NLP) problems ... using them as a representation method can reveal characteristics and be useful .... regularities and structure in the language or corpora data represented. ... Some of the most used techniques in graph-based learning approaches include min-.
[ jnle_graph_survey.pdf - Read/Download File

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