Structured databases on the web: Observations and implications

KCC Chang, B He, C Li, M Patel, Z Zhang - Acm Sigmod Record, 2004 - dl.acm.org
The Web has been rapidly" deepened" by the prevalence of databases online. With the
potentially unlimited information hidden behind their query interfaces, this" deep Web" of …

Understanding web query interfaces: Best-effort parsing with hidden syntax

Z Zhang, B He, KCC Chang - Proceedings of the 2004 ACM SIGMOD …, 2004 - dl.acm.org
Recently, the Web has been rapidly" deepened" by many searchable databases online,
where data are hidden behind query forms. For modelling and integrating Web databases …

Discovering complex matchings across web query interfaces: a correlation mining approach

B He, KCC Chang, J Han - Proceedings of the tenth ACM SIGKDD …, 2004 - dl.acm.org
To enable information integration, schema matching is a critical step for discovering
semantic correspondences of attributes across heterogeneous sources. While complex …

Automatic complex schema matching across web query interfaces: A correlation mining approach

B He, KCC Chang - ACM Transactions on Database Systems (TODS), 2006 - dl.acm.org
To enable information integration, schema matching is a critical step for discovering
semantic correspondences of attributes across heterogeneous sources. While complex …

Holistic schema matching for web query interfaces

W Su, J Wang, F Lochovsky - International Conference on Extending …, 2006 - Springer
One significant part of today's Web is Web databases, which can dynamically provide
information in response to user queries. To help users submit queries to different Web …

[PDF][PDF] Light-weight domain-based form assistant: querying web databases on the fly

Z Zhang, B He, KCC Chang - … of the 31st international conference on Very …, 2005 - vldb.org
The Web has been rapidly “deepened” by myriad searchable databases online, where data
are hidden behind query forms. Hel** users query alternative “deep Web” sources in the …

Semantic deep web: automatic attribute extraction from the deep web data sources

YJ An, J Geller, YT Wu, SA Chun - … of the 2007 ACM symposium on …, 2007 - dl.acm.org
" Deep Web" refers to the rich information and data hidden in backend databases, etc., that
search engines or Web crawlers cannot access. It is mostly accessible through manual …

Metaquerier: querying structured web sources on-the-fly

B He, Z Zhang, KCC Chang - Proceedings of the 2005 ACM SIGMOD …, 2005 - dl.acm.org
Recently, we witness the rapid growth and thus the prevalence of databases on the Web.
Our recent survey [2] in April 2004 estimated 450,000 online databases. On this deep Web …

A VP-accordant checkpointing protocol preventing useless checkpoints

R Baldoni, F Quaglia, B Ciciani - … IEEE Symposium on Reliable …, 1998 - ieeexplore.ieee.org
A useless checkpoint corresponds to the occurrence of a checkpoint and communication
pattern called Z-cycle. A recent result shows that ensuring a computation without Z-cycles is …

Knocking the door to the deep web: Integrating web query interfaces

B He, Z Zhang, KCC Chang - Proceedings of the 2004 ACM SIGMOD …, 2004 - dl.acm.org
Recently, we witness the rapid growth and thus the prevalence of databases on the Web.
Our recent survey [2] in December 2002 estimated between 127,000 to 330,000 deep Web …