In this paper, we address the problem of transparently scaling out transactional (OLTP) workloads on relational databases, to support database-as-a-service in cloud computing environment. The primary challenges in supporting such workloads include choosing how to partition the data across a large number of machines, minimizing the number of distributed transactions, providing high data availabi...

We study a variant of the multi-candidate Hotelling-Downs model that recognizes that politicians, even after declaring candidacy, have the option of withdrawing before the election date. We find that this natural variation dramatically alters equilibrium predictions. Under a mild parametric restriction, an equilibrium always exists for an arbitrary finite number of candidates. Moreover, under s...

The molecular structure of the exceptional telomeres of six plant species belonging to the order Asparagales and two species of the order Liliales was analyzed using Southern blot and fluorescence in situ hybridization. Three different situations were found, namely: i) In the two Liliales species, Tulipa australis (Liliaceae) and Merendera montana (Colchicaceae), the chromosome ends display hyb...

+'-1bl~-~~)~~-~~nlcinll minor corr(!clion~. changc!! and revisions to n prelimlnary IIlmrion which appcilrcd In the Proc. or the 12lh Annual ACM Symposium on the Theory of Compulirl,g (!.lilY 19110). P,lrl of the work reported here will appear in the first author's 1981 doctoral <Ij!i!lcrL"Lion to he wriUen nt Purdue Univr.rl1iLy under the direction of the second author.