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ICDE
2004
IEEE
137views Database» more  ICDE 2004»
16 years 1 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
ICDT
2009
ACM
130views Database» more  ICDT 2009»
16 years 17 days ago
Towards a theory of search queries
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...
George H. L. Fletcher, Jan Van den Bussche, Dirk V...
CADE
2001
Springer
16 years 5 days ago
More On Implicit Syntax
Proof assistants based on type theories, such as Coq and Lego, allow users to omit subterms on input that can be inferred automatically. While those mechanisms are well known, ad-h...
Marko Luther
SIGMOD
2008
ACM
139views Database» more  SIGMOD 2008»
16 years 4 hour ago
SQAK: doing more with keywords
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
Sandeep Tata, Guy M. Lohman
SIGMOD
2007
ACM
188views Database» more  SIGMOD 2007»
16 years 4 hour ago
Keyword search on relational data streams
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
Alexander Markowetz, Yin Yang, Dimitris Papadias