On supporting containment queries in relational database management systems
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Holistic twig joins: optimal XML pattern matching
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Structural Joins: A Primitive for Efficient XML Query Pattern Matching
ICDE '02 Proceedings of the 18th International Conference on Data Engineering
Efficient processing of XML twig queries with OR-predicates
SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
Efficient processing of XML twig patterns with parent child edges: a look-ahead approach
Proceedings of the thirteenth ACM international conference on Information and knowledge management
On boosting holism in XML twig pattern matching using structural indexing techniques
Proceedings of the 2005 ACM SIGMOD international conference on Management of data
From region encoding to extended dewey: on efficient processing of XML twig pattern matching
VLDB '05 Proceedings of the 31st international conference on Very large data bases
Holistic twig joins on indexed XML documents
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
From region encoding to extended dewey: on efficient processing of XML twig pattern matching
VLDB '05 Proceedings of the 31st international conference on Very large data bases
LCS-TRIM: dynamic programming meets XML indexing and querying
VLDB '07 Proceedings of the 33rd international conference on Very large data bases
Holistically processing XML twig queries with AND, OR, and NOT predicates
Proceedings of the 2nd international conference on Scalable information systems
Track: a novel XML join algorithm for efficient processing twig queries
ADC '08 Proceedings of the nineteenth conference on Australasian database - Volume 75
On label stream partition for efficient holistic twig join
DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
Benchmarking holistic approaches to XML tree pattern query processing
DASFAA'10 Proceedings of the 15th international conference on Database systems for advanced applications
Indexing and querying XML using extended Dewey labeling scheme
Data & Knowledge Engineering
TwigStackList ¬: a holistic twig join algorithm for twig query with not-predicates on XML data
DASFAA'06 Proceedings of the 11th international conference on Database Systems for Advanced Applications
The VLDB Journal — The International Journal on Very Large Data Bases
A practical approach to holistic b-twig pattern matching for efficient XML query processing
BNCOD'13 Proceedings of the 29th British National conference on Big Data
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Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiority over binary decompose based approach due to efficient reducing intermediate results. The existing holistic join algorithms, however, cannot deal with ordered twig queries. A straightforward approach that first matches the unordered twig queries and then prunes away the undesired answers is obviously not optimal in most cases. In this paper, we study a novel holistic-processing algorithm, called OrderedTJ, for ordered twig queries. We show that OrderedTJ can identify a large query class to guarantee the I/O optimality. Finally, our experiments show the effectiveness, scalability and efficiency of our proposed algorithm.