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WEBDB
2004
Springer
170views Database» more  WEBDB 2004»
13 years 10 months ago
Content and Structure in Indexing and Ranking XML
Rooted in electronic publishing, XML is now widely used for modelling and storing structured text documents. Especially in the WWW, retrieval of XML documents is most useful in co...
Felix Weigel, Holger Meuss, Klaus U. Schulz, Fran&...
WEBDB
2004
Springer
154views Database» more  WEBDB 2004»
13 years 10 months ago
Twig Query Processing over Graph-Structured XML Data
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
Zografoula Vagena, Mirella Moura Moro, Vassilis J....
WEBDB
2004
Springer
99views Database» more  WEBDB 2004»
13 years 10 months ago
Semantic Multicast for Content-based Stream Dissemination
We consider the problem of content-based routing and dissemination of highly-distributed, fast data streams from multiple sources to multiple receivers. Our target application dom...
Olga Papaemmanouil, Ugur Çetintemel
WEBDB
2004
Springer
81views Database» more  WEBDB 2004»
13 years 10 months ago
Querying Peer-to-Peer Networks Using P-Trees
We propose a new distributed, fault-tolerant peer-to-peer index structure called the P-tree. P-trees efficiently evaluate range queries in addition to equality queries.
Adina Crainiceanu, Prakash Linga, Johannes Gehrke,...
WEBDB
2004
Springer
202views Database» more  WEBDB 2004»
13 years 10 months ago
Mining Approximate Functional Dependencies and Concept Similarities to Answer Imprecise Queries
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
Ullas Nambiar, Subbarao Kambhampati
WEBDB
2004
Springer
122views Database» more  WEBDB 2004»
13 years 10 months ago
Querying Bi-level Information
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
Sudarshan Murthy, David Maier, Lois M. L. Delcambr...
WEBDB
2004
Springer
191views Database» more  WEBDB 2004»
13 years 10 months ago
Visualizing and Discovering Web Navigational Patterns
Web site structures are complex to analyze. Cross-referencing the web structure with navigational behaviour adds to the complexity of the analysis. However, this convoluted analys...
Jiyang Chen, Lisheng Sun, Osmar R. Zaïane, Ra...
WEBDB
2004
Springer
100views Database» more  WEBDB 2004»
13 years 10 months ago
Spam, Damn Spam, and Statistics: Using Statistical Analysis to Locate Spam Web Pages
The increasing importance of search engines to commercial web sites has given rise to a phenomenon we call “web spam”, that is, web pages that exist only to mislead search eng...
Dennis Fetterly, Mark Manasse, Marc Najork
WEBDB
2004
Springer
80views Database» more  WEBDB 2004»
13 years 10 months ago
Unraveling the Duplicate-Elimination Problem in XML-to-SQL Query Translation
We consider the scenario where existing relational data is exported as XML. In this context, we look at the problem of translating XML queries into SQL. XML query languages have t...
Rajasekar Krishnamurthy, Raghav Kaushik, Jeffrey F...
WEBDB
2004
Springer
143views Database» more  WEBDB 2004»
13 years 10 months ago
DTDs versus XML Schema: A Practical Study
Among the various proposals answering the shortcomings of Document Type Definitions (DTDs), XML Schema is the most widely used. Although DTDs and XML Schema Defintions (XSDs) di...
Geert Jan Bex, Frank Neven, Jan Van den Bussche