Typing and Querying XML Documents: Some Complexity Bounds

Summary: Systematic complexity study of XML validation and XPath query evaluation on unranked ordered trees under DTDs, XML Schema, and tree automata. Establishes data vs. combined complexity bounds and pinpoints tractable vs. intractable XPath fragments. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID: 1289
Venue: PODS
Year: 2003
Pagerank: 0.00010330772
Overall Rank: 1,848 | 87.15%
DOI: -

Incoming Non-self Citations Over Time

Authors

1. Luc Segoufin

Incoming Citations (Sorted by Pagerank)

Showing 6 of 6 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
2,248	The Complexity of XPath Query Evaluation	2003	PODS	9.2038466e-05
3,695	On the Memory Requirements of XPath Evaluation over XML Streams	2004	PODS	6.8345021e-05
4,611	On the Complexity of Nonrecursive XQuery and Functional Query Languages on Complex Values	2005	PODS	6.0488752e-05
5,248	Buffering in Query Evaluation over XML Streams	2005	PODS	5.6056584e-05
6,872	XQuery Optimization	2003	VLDB	4.8991822e-05
12,439	Efficient Algorithms for Evaluating XPath over Streams	2007	SIGMOD	4.1945683e-05

Outgoing Citations (Sorted by Pagerank)

Showing 5 of 5 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank
491	Your Mediators Need Data Conversion!	1998	SIGMOD	0.00022011503
713	Efficient Algorithms for Processing XPath Queries	2002	VLDB	0.00017731096
882	DTD Inference for Views of XML Data	2000	PODS	0.00015657456
1,356	Validating Streaming XML Documents	2002	PODS	0.0001239231
2,248	The Complexity of XPath Query Evaluation	2003	PODS	9.2038466e-05

Semantically Similar Papers

Overall Rank	Paper	Year	Venue	Pagerank
1,356	Validating Streaming XML Documents	2002	PODS	0.0001239231
3,695	On the Memory Requirements of XPath Evaluation over XML Streams	2004	PODS	6.8345021e-05
3,589	On the Complexity of Managing Probabilistic XML Data	2007	PODS	6.9427709e-05
2,248	The Complexity of XPath Query Evaluation	2003	PODS	9.2038466e-05
5,296	Running Tree Automata on Probabilistic XML	2009	PODS	5.5802694e-05
12,340	Efficient Rewriting of XPath Queries Using Query Set Specifications	2009	VLDB	4.1945683e-05
1,663	Conjunctive Queries over Trees	2004	PODS	0.00010977096
1,929	XPath Satisfiability in the Presence of DTDs	2005	PODS	0.00010058897
3,427	XML with Data Values: Typechecking Revisited	2001	PODS	7.1033924e-05
2,150	Frontiers of Tractability for Typechecking Simple XML Transformations	2004	PODS	9.4255252e-05