Extraction and integration of partially overlap** web sources
We present an unsupervised approach for harvesting the data exposed by a set of structured
and partially overlap** data-intensive web sources. Our proposal comes within a formal …
and partially overlap** data-intensive web sources. Our proposal comes within a formal …
Language-model-based ranking for queries on RDF-graphs
The success of knowledge-sharing communities like Wikipedia and the advances in
automatic information extraction from textual and Web sources have made it possible to …
automatic information extraction from textual and Web sources have made it possible to …
Query relaxation for entity-relationship search
Entity-relationship-structured data is becoming more important on the Web. For example,
large knowledge bases have been automatically constructed by information extraction from …
large knowledge bases have been automatically constructed by information extraction from …
ReCG: Bottom-up JSON Schema Discovery Using a Repetitive Cluster-and-Generalize Framework
The schemalessness, one of the major advantages of JSON representation format, comes
with high penalties in querying and operations by denying various critical functions such as …
with high penalties in querying and operations by denying various critical functions such as …
Relationship queries on extended knowledge graphs
Entity search over text corpora is not geared for relationship queries where answers are
tuples of related entities and where a query often requires joining cues from multiple …
tuples of related entities and where a query often requires joining cues from multiple …
Answering why-not questions on SPARQL queries
Abstract SPARQL, the W3C standard for RDF query languages, has gained significant
popularity in recent years. An increasing amount of effort is currently being exerted to …
popularity in recent years. An increasing amount of effort is currently being exerted to …
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers
aggregate queries in a manner that preserves individual privacy. We consider the problem …
aggregate queries in a manner that preserves individual privacy. We consider the problem …
Facto: a fact lookup engine based on web tables
Recently answers for fact lookup queries have appeared on major search engines. For
example, for the query Barack Obama date of birth Google directly shows" 4 August 1961" …
example, for the query Barack Obama date of birth Google directly shows" 4 August 1961" …
Pushing the boundaries of crowd-enabled databases with query-driven schema expansion
By incorporating human workers into the query execution process crowd-enabled databases
facilitate intelligent, social capabilities like completing missing data at query time or …
facilitate intelligent, social capabilities like completing missing data at query time or …
Answering approximate queries over XML data
J Liu, DL Yan - IEEE Transactions on Fuzzy Systems, 2015 - ieeexplore.ieee.org
With the increasing popularity of XML for data representations, there is a lot of interest in
searching XML data. Due to the structural heterogeneity and textual content's diversity of …
searching XML data. Due to the structural heterogeneity and textual content's diversity of …