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» Ranking under temporal constraints
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AIRWEB
2007
Springer
14 years 1 months ago
Using Spam Farm to Boost PageRank
Nowadays web spamming has emerged to take the economic advantage of high search rankings and threatened the accuracy and fairness of those rankings. Understanding spamming techniq...
Ye Du, Yaoyun Shi, Xin Zhao
SEBD
2001
145views Database» more  SEBD 2001»
13 years 9 months ago
Reasoning over Conceptual Schemas and Queries in Temporal Databases
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
Alessandro Artale, Enrico Franconi, Milenko Mosuro...
ICMCS
2005
IEEE
108views Multimedia» more  ICMCS 2005»
14 years 1 months ago
Quality-Temporal Transcoder Driven by the Jerkiness
We propose a new video homogeneous transcoding architecture DCT-based which relies on both quality and temporal reduction techniques. The frame layer control is driven by a new in...
Giovanni Iacovoni, Salvatore Morsa, Renzo Felice
PVLDB
2008
167views more  PVLDB 2008»
13 years 7 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
IFIP
2005
Springer
14 years 1 months ago
A New Low Rank Quasi-Newton Update Scheme for Nonlinear Programming
A new quasi-Newton scheme for updating a low rank positive semi-definite Hessian approximation is described, primarily for use in sequential quadratic programming methods for non...
R. Fletcher