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SIGMOD
2002
ACM
145views Database» more  SIGMOD 2002»
16 years 6 months ago
Continuously adaptive continuous queries over streams
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...
Samuel Madden, Mehul A. Shah, Joseph M. Hellerstei...
PODS
2004
ACM
86views Database» more  PODS 2004»
16 years 6 months ago
Frontiers of Tractability for Typechecking Simple XML Transformations
Typechecking consists of statically verifying whether the output of an XML transformation is always conform to an output type for documents satisfying a given input type. We focus...
Wim Martens, Frank Neven
ICFP
2003
ACM
16 years 6 months ago
An extension of HM(X) with bounded existential and universal data-types
We propose a conservative extension of HM(X), a generic constraint-based type inference framework, with bounded existential (a.k.a. abstract) and universal (a.k.a. polymorphic) da...
Vincent Simonet
ESORICS
2002
Springer
16 years 5 months ago
Confidentiality Policies and Their Enforcement for Controlled Query Evaluation
Abstract. An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be forbidden to acquire what kind of inform...
Joachim Biskup, Piero A. Bonatti
VMCAI
2010
Springer
16 years 3 months ago
Shape Analysis of Low-Level C with Overlapping Structures
Abstract. Device drivers often keep data in multiple data structures simultaneously while embedding list or tree related records into the records containing the actual data; this r...
Jörg Kreiker, Helmut Seidl, Vesal Vojdani