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VLDB
1997
ACM
165views Database» more  VLDB 1997»
14 years 27 days ago
DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases
In semistructured databases there is no schema fixed in advance. To provide the benefits of a schema in such environments, we introduce DataGuides: concise and accurate structural...
Roy Goldman, Jennifer Widom
ICDT
2003
ACM
139views Database» more  ICDT 2003»
14 years 1 months ago
New Rewritings and Optimizations for Regular Path Queries
All the languages for querying semistructured data and the web use as an integral part regular expressions. Based on practical observations, finding the paths that satisfy those r...
Gösta Grahne, Alex Thomo
JASIS
2010
170views more  JASIS 2010»
13 years 7 months ago
Analyzing URL queries
This study investigated a relatively unexamined query type, queries composed of URLs. The extent, variation and user click-through behavior was examined to determine the intent be...
Wei Meng Lee, Mark Sanderson
CORR
2011
Springer
197views Education» more  CORR 2011»
13 years 3 months ago
Query Expansion Based on Clustered Results
Query expansion is a functionality of search engines that suggests a set of related queries for a user-issued keyword query. Typical corpus-driven keyword query expansion approach...
Ziyang Liu, Sivaramakrishnan Natarajan, Yi Chen
ER
2004
Springer
144views Database» more  ER 2004»
14 years 2 months ago
Expressing and Optimizing Similarity-Based Queries in SQL
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...
Like Gao, Min Wang, Xiaoyang Sean Wang, Sriram Pad...