32 search results - page 5 / 7 » Compressing term positions in web indexes |
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Exact substring matching queries on large data collections can be answered using q-gram indices, that store for each occurring q-byte pattern an (ordered) posting list with the po...
SIGMOD
2010
ACM
14 years 3 months ago
2010
ACM
Our world today is generating huge amounts of graph data such as social networks, biological networks, and the semantic web. Many of these real-world graphs are edge-labeled graph...
CIKM
2005
Springer
14 years 4 months ago
2005
Springer
Depending on a web searcher’s familiarity with a query’s target topic, it may be more appropriate to show her introductory or advanced documents. The TREC HARD [1] track defi...
SIGIR
2009
ACM
14 years 5 months ago
2009
ACM
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
MMSEC
2006
ACM
14 years 4 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...