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» Processing Top-k Join Queries
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SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
14 years 8 months ago
Rank-aware Query Optimization
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
Ihab F. Ilyas, Rahul Shah, Walid G. Aref, Jeffrey ...
EDBT
2009
ACM
160views Database» more  EDBT 2009»
14 years 14 days ago
Estimating aggregates in time-constrained approximate queries in Oracle
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
SIGIR
2011
ACM
12 years 10 months ago
Picasso - to sing, you must close your eyes and draw
We study the problem of automatically assigning appropriate music pieces to a picture or, in general, series of pictures. This task, commonly referred to as soundtrack suggestion,...
Aleksandar Stupar, Sebastian Michel
PVLDB
2008
148views more  PVLDB 2008»
13 years 7 months ago
StreamTX: extracting tuples from streaming XML data
We study the problem of extracting flattened tuple data from streaming, hierarchical XML data. Tuple-extraction queries are essentially XML pattern queries with multiple extractio...
Wook-Shin Han, Haifeng Jiang, Howard Ho, Quanzhong...
XSYM
2004
Springer
88views Database» more  XSYM 2004»
14 years 1 months ago
Teaching Relational Optimizers About XML Processing
Due to their numerous benefits, relational systems play a major role in storing XML documents. XML also benefits relational systems by providing a means to publish legacy relatio...
Sihem Amer-Yahia, Yannis Kotidis, Divesh Srivastav...