1507 search results - page 215 / 302 » Separating Complexity Classes Using Structural Properties |
USS
2008
14 years 22 days ago
2008
In User-Based Network Services (UBNS), the process servicing requests from user U runs under U's ID. This enables (operating system) access controls to tailor service authori...
STOC
2003
ACM
14 years 10 months ago
2003
ACM
We describe a simple randomized construction for generating pairs of hash functions h1, h2 from a universe U to ranges V = [m] = {0, 1, . . . , m - 1} and W = [m] so that for ever...
PODS
2009
ACM
14 years 11 months ago
2009
ACM
Relational schema mappings have been extensively studied in connection with data integration and exchange problems, but mappings between XML schemas have not received the same amo...
ICNP
2006
IEEE
14 years 4 months ago
2006
IEEE
— Peer-to-peer (P2P) systems have been widely used for exchange of voluminous information and resources among thousands or even millions of users. Since shared data are normally ...
SEMWEB
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Increasingly huge RDF data sets are being published on the Web. Currently, they use different syntaxes of RDF, contain high levels of redundancy and have a plain indivisi...