603 search results - page 52 / 121 » DFS-Tree Based Heuristic Search |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
In recent years, there has been significant interest in development of ranking functions and efficient top-k retrieval algorithms to help users in ad-hoc search and retrieval in da...
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
Data dissemination in pervasive environments is often accomplished by on-demand broadcasting. The time critical nature of the data requests plays an important role in scheduling t...
WIOPT
2005
IEEE
14 years 1 months ago
2005
IEEE
In our prior work, we presented a highly effective local search based heuristic algorithm called the Largest Expanding Sweep Search (LESS) to solve the minimum energy broadcast (M...
EOR
2007
13 years 8 months ago
2007
In this paper, we develop new heuristic procedures for the maximum diversity problem (MDP). This NPhard problem has a significant number of practical applications such as environm...