579 search results - page 17 / 116 » Modeling word burstiness using the Dirichlet distribution |
IR
2008
14 years 11 months ago
2008
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
ECIR
2009
Springer
15 years 9 months ago
2009
Springer
Probabilistic retrieval models usually rank documents based on a scalar quantity. However, such models lack any estimate for the uncertainty associated with a document’s rank. Fu...
100
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ICWSM
2009
14 years 9 months ago
2009
How do blogs produce posts? What local, underlying mechanisms lead to the bursty temporal behaviors observed in blog networks? Earlier work analyzed network patterns of blogs and ...
SIGCOMM
1994
ACM
15 years 3 months ago
1994
ACM
Network arrivals are often modeled as Poisson processes for analytic simplicity, even though a number of traffic studies have shown that packet interarrivals are not exponentially...
126
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BIBM
2010
IEEE
14 years 9 months ago
2010
IEEE
Recently, the concept of a species containing both core and distributed genes, known as the supra- or pangenome theory, has been introduced. In this paper, we aim to develop a new ...