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PODS
2005
ACM
131views Database» more  PODS 2005»
16 years 11 hour ago
Buffering in query evaluation over XML streams
All known algorithms for evaluating advanced XPath queries (e.g., ones with predicates or with closure axes) on XML streams employ buffers to temporarily store fragments of the do...
Ziv Bar-Yossef, Marcus Fontoura, Vanja Josifovski
GECCO
2007
Springer
185views Optimization» more  GECCO 2007»
15 years 6 months ago
SNDL-MOEA: stored non-domination level MOEA
There exist a number of high-performance Multi-Objective Evolutionary Algorithms (MOEAs) for solving MultiObjective Optimization (MOO) problems; two of the best are NSGA-II and -M...
Matt D. Johnson, Daniel R. Tauritz, Ralph W. Wilke...
LOCA
2007
Springer
15 years 6 months ago
Localizing Tags Using Mobile Infrastructure
This paper presents algorithms, simulations, and empirical results of a system that finds relative tag positions in 3D space using a new approach called “mobile infrastructure....
Ying Zhang, Kurt Partridge, Jim Reich
VLDB
2004
ACM
111views Database» more  VLDB 2004»
15 years 5 months ago
A Framework for Using Materialized XPath Views in XML Query Processing
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
Andrey Balmin, Fatma Özcan, Kevin S. Beyer, R...
SIGIR
2003
ACM
15 years 5 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...