145 search results - page 2 / 29 » Data summaries for on-demand queries over linked data |
WEBDB
2004
Springer
13 years 10 months ago
2004
Springer
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...
ISEMANTICS
2010
13 years 3 months ago
2010
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
WWW
2006
ACM
14 years 5 months ago
2006
ACM
In this paper, we proposed an online algorithm, called FQT-Stream (Frequent Query Trees of Streams), to mine the set of all frequent tree patterns over a continuous XML data strea...
TKDE
2008
13 years 4 months ago
2008
We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent en...
SEMWEB
2009
Springer
13 years 11 months ago
2009
Springer
The Web of Linked Data forms a single, globally distributed dataspace. Due to the openness of this dataspace, it is not possible to know in advance all data sources that might be r...