Alexander Gaysinsky Alon Itai Hadas Shachnai Strongly Competitive Algorithms for Caching with Pipelined Prefetching. 49-61 2001 conf/esa/2001 ESA http://link.springer.de/link/service/series/0558/bibs/2161/21610049.htm db/conf/esa/esa2001.html#GaysinskyIS01