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PLPV
2011
ACM
12 years 11 months ago
Local actions for a curry-style operational semantics
Soundness proofs of program logics such as Hoare logics and type systems are often made easier by decorating the operational semantics with information that is useful in the proof...
Gordon Stewart, Andrew W. Appel
PODC
2011
ACM
12 years 11 months ago
From bounded to unbounded concurrency objects and back
We consider the power of objects in the unbounded concurrency shared memory model, where there is an infinite set of processes and the number of processes active concurrently may...
Yehuda Afek, Adam Morrison, Guy Wertheim
PODS
2011
ACM
238views Database» more  PODS 2011»
12 years 11 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
SACMAT
2011
ACM
12 years 11 months ago
Modeling data flow in socio-information networks: a risk estimation approach
Information leakage via the networks formed by subjects (e.g., Facebook, Twitter) and objects (e.g., blogosphere) − some of whom may be controlled by malicious insiders − ofte...
Ting Wang, Mudhakar Srivatsa, Dakshi Agrawal, Ling...
SIGECOM
2011
ACM
311views ECommerce» more  SIGECOM 2011»
12 years 11 months ago
The role of social networks in online shopping: information passing, price of trust, and consumer choice
While social interactions are critical to understanding consumer behavior, the relationship between social and commerce networks has not been explored on a large scale. We analyze...
Stephen Guo, Mengqiu Wang, Jure Leskovec
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