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PLANX
2008
15 years 8 months ago
Complexity of Earliest Query Answering with Streaming Tree Automata
We investigate the complexity of earliest query answering for n-ary node selection queries defined by streaming tree automata (STAs). We elaborate an algorithm that selects query ...
Olivier Gauwin, Anne-Cécile Caron, Joachim ...
SDM
2007
SIAM
103views Data Mining» more  SDM 2007»
15 years 8 months ago
A System for Keyword Search on Textual Streams
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...
Vagelis Hristidis, Oscar Valdivia, Michail Vlachos...
SIMVIS
2007
15 years 8 months ago
Visual Navigation within Conceptual Spaces
Finding objects like music albums or wines in large databases is an inherently difficult problem, especially if users do not know exactly what they are looking for. We propose th...
Hans Jörg Müller, Antonio Krüger
CAU
2004
192views Cryptology» more  CAU 2004»
15 years 8 months ago
Encrypted? Randomised? Compromised? (When Cryptographically Secured Data is Not Secure)
Protecting data is not simply a case of encrypt and forget: even data with full cryptographic confidentiality and integrity protection can still be subject to information leakage. ...
Mike Bond, Jolyon Clulow
CIIT
2004
15 years 8 months ago
Transliterated arabic name search
We address name search for transliterated Arabic given names. In previous work, we addressed similar problems with English and Arabic surnames. In each previous case, we used a va...
David Holmes, Samsum Kashfi, Syed Uzair Aqeel