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JMLR
2010
134views more  JMLR 2010»
13 years 3 months ago
Using Contextual Representations to Efficiently Learn Context-Free Languages
We present a polynomial update time algorithm for the inductive inference of a large class of context-free languages using the paradigm of positive data and a membership oracle. W...
Alexander Clark, Rémi Eyraud, Amaury Habrar...
ICDE
2008
IEEE
218views Database» more  ICDE 2008»
14 years 10 months ago
AxPRE Summaries: Exploring the (Semi-)Structure of XML Web Collections
The nature of semistructured data in web collections is evolving. Increasingly, XML web documents (or documents exchanged via web services) are valid with regard to a schema, yet ...
Mariano P. Consens, Flavio Rizzolo, Alejandro A. V...
WSDM
2010
ACM
265views Data Mining» more  WSDM 2010»
14 years 6 months ago
Data-oriented Content Query System: Searching for Data into Text on the Web
As the Web provides rich data embedded in the immense contents inside pages, we witness many ad-hoc efforts for exploiting fine granularity information across Web text, such as We...
Kevin Chen-Chuan Chang, Mianwei Zhou, Tao Cheng
SIGMOD
2009
ACM
220views Database» more  SIGMOD 2009»
14 years 8 months ago
Keyword search in databases: the power of RDBMS
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
Lu Qin, Jeffrey Xu Yu, Lijun Chang
ICDE
2005
IEEE
139views Database» more  ICDE 2005»
14 years 10 months ago
Compressing Bitmap Indices by Data Reorganization
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
Ali Pinar, Tao Tao, Hakan Ferhatosmanoglu