The maxn algorithm (Luckhardt and Irani, 1986) for playing multiplayer games is flexible, but there are only limited techniques for pruning maxn game trees. This paper presents other theoretical limitations of the maxn algorithm, namely that tie-breaking strategies are crucial to maxn, and that zerowindow search is not possible in maxn game trees. We also present quantitative results derived fr...

We extend Sandholm’s bidtree-based IDA* algorithm for combinatorial auction winner determination to deal with negotiation over tasks with precedence constraints. We evaluate its performance, and show that the order of items in the bidtree has a major impact on performance. Specifically, performance is enhanced if the items with the largest numbers of bids are at the top of the bidtree. This is ...

In cities, trees are seen predominantly as entities that beautify streets, parks and gardens. Often they’re regarded obstacles to urban development, where their importance ecosystem health plays a secondary role economic growth. How can multispecies art offer new perspectives on crucial contributions life? Branching Songs is project with old in the Vancouver area, including ‘1308 Trees’, forest...

sesame (sesamum indicum l.) seed and oil have long been used widely as healthy foods to supply energy and prevent aging. some of the main active anti-oxidative constituents in sesame seeds are γ-tocopherol and phenols. the purpose of this study was to investigate the relationship between roasting temperature and time with γ-tocopherol and total phenolic compounds (tpc) of sesame seeds when roas...