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» Reachability Indexes for Relational Keyword Search
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ICDE
2003
IEEE
170views Database» more  ICDE 2003»
14 years 6 months ago
Keyword Proximity Search on XML Graphs
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
Vagelis Hristidis, Yannis Papakonstantinou, Andrey...
SIGMOD
2009
ACM
148views Database» more  SIGMOD 2009»
14 years 5 months ago
Combining keyword search and forms for ad hoc querying of databases
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
Eric Chu, Akanksha Baid, Xiaoyong Chai, AnHai Doan...
ICDE
2009
IEEE
205views Database» more  ICDE 2009»
14 years 6 months ago
Top-k Exploration of Query Candidates for Efficient Keyword Search on Graph-Shaped (RDF) Data
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
Thanh Tran, Haofen Wang, Sebastian Rudolph, Philip...
CIKM
2010
Springer
13 years 3 months ago
Decomposing background topics from keywords by principal component pursuit
Low-dimensional topic models have been proven very useful for modeling a large corpus of documents that share a relatively small number of topics. Dimensionality reduction tools s...
Kerui Min, Zhengdong Zhang, John Wright, Yi Ma
IR
2007
13 years 4 months ago
Restricted inflectional form generation in management of morphological keyword variation
Word form normalization through lemmatization or stemming is a standard procedure in information retrieval because morphological variation needs to be accounted for and several la...
Kimmo Kettunen, Eija Airio, Kalervo Järvelin