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UFMG at the TREC 2016 Dynamic Domain track
2016
Text Retrieval Conference
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In TREC 2016, we focus on tackling the challenges posed by the Dynamic Domain (DD) track. The goal of the TREC DD track is to support research in dynamic, exploratory search within a complex domain. ...
To this end, our participation investigates the suitability of multiple diversification approaches for dynamic information retrieval. ...
INTRODUCTION The TREC 2016 Dynamic Domain (DD) track [5] consists of performing an interactive search task in a specific domain. ...
dblp:conf/trec/MoraesSZZ16
fatcat:vkuhu7xiwzalzlrbp4si5mg7fu
Stochastic Metaheuristics as Sampling Techniques using Swarm Intelligence
[chapter]
2007
Swarm Intelligence, Focus on Ant and Particle Swarm Optimization
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They have the advantage of being generic methods, thus do not require a complex tuning for each problem, and can be used as a kind of "black boxes". ...
Recall that, generally, optimization algorithms search for a point into the search space, so as to optimize (i.e., minimize or maximize) the objective function (also called fitness or goal function). ...
This is typically a local search algorithm (for instance with the Nelder-Mead algorithm [45] or a taboo search). • Diversification aims at collecting new information, by exploring the search space. ...
doi:10.5772/5105
fatcat:w3yk4piys5dtrowxnr4pt6b6qi
Impacts of Niche Breadth and Dispersal Ability on Macroevolutionary Patterns
2016
American Naturalist
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macroecological characteristics and a dynamic extrinsic environment in the process of biological diversification. ...
how species interact with the extrinsic environment to generate diversity. ...
Knoll for thought-Ecological Impacts on Evolution 159 ...
doi:10.1086/687201
pmid:27420781
fatcat:cuynbnb6rzfpxn5nzvk7fgei4u
Life as complex systems: Viewpoint from intra-inter dynamics
1998
Complexity
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As a construction in a computer, intra-inter dynamics is presented for cell biology, where the following five general features are drawn from our model experiments; intrinsic diversification, recursive ...
Basic problems in complex systems are surveyed in connection with Life. As a key issue for complex systems, complementarity between syntax/rule/parts and semantics/behavior/whole is stressed. ...
I am grateful to them for stimulating discussions. The work is partially supported by Grant-in-Aids for Scientific Research from the Ministry of Education, Science, and Culture of Japan. ...
doi:10.1002/(sici)1099-0526(199807/08)3:6<53::aid-cplx7>3.0.co;2-9
fatcat:a3hhzudkwzgb5g4ktnhihcoln4
Life as Complex Systems --- Viewpoint from Intra-Inter Dynamics
[article]
1998
arXiv
pre-print
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As a construction in a computer, intra-inter dynamics is presented for cell biology, where the following five general features are drawn from our model experiments; intrinsic diversification, recursive ...
Basic problems in complex systems are surveyed in connection with Life. As a key issue for complex systems, complementarity between syntax/rule/parts and semantics/behavior/whole is stressed. ...
I am grateful to them for stimulating discussions. The work is partially supported by Grant-in-Aids for Scientific Research from the Ministry of Education, Science, and Culture of Japan. ...
arXiv:adap-org/9808001v1
fatcat:pzpdyye7trbivg5uvwt4y22l64
Dynamic Information Retrieval
2015
Proceedings of the 2015 International Conference on Theory of Information Retrieval - ICTIR '15
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2016 pre-print arXiv:1601.04605v1 fatcat:lpmi2l5l3vdchcfizi2krzspge
search intent. ...
Theoretical frameworks like the Probability Ranking Principle and its more recent Interactive Information Retrieval variant have guided the development of ranking and retrieval algorithms for decades, ...
Our experiments confirm that in this scenario, one of the effects of optimizing for UD is the diversification of search results. ...
doi:10.1145/2808194.2809457
dblp:conf/ictir/SloanW15
fatcat:f4qkrc6cefdl5ereuzt6ryehae
Toward the Integrated Framework Analysis of Linkages among Agrobiodiversity, Livelihood Diversification, Ecological Systems, and Sustainability amid Global Change
2016
Land
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The environmental impacts of livelihood interactions correspond to variation of diversification (migration, on-farm diversification) and resource system (i.e., agrobiodiversity per se, soil, water). ...
We hypothesize these interactions depend on: (1) scope of livelihood diversification and type resource system; and (2) plant residues and above-/belowground component ecological specificity. ...
For example, influential interactions occur within the human system influencing livelihood diversification. ...
doi:10.3390/land5020010
fatcat:yfkmxeqwpzbmbkiwoykqbuqyhi
Coevolutionary dynamics of adaptive radiation for food-web development
2008
Population Ecology
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To investigate how complex food-webs can develop through repeated evolutionary diversification, a predator-prey model was analyzed. ...
Predator-prey interactions among the phenotypes are determined by their relative positions in the phenotype space. Each phenotypic cluster was treated as a species. ...
H.C.I. also thanks David Munro for inventing a tool for numerical analysis and visualization with great performance and flexibility, named Yorick, and distributing it for free. ...
doi:10.1007/s10144-008-0113-5
fatcat:kiju5pf5lbao5an3uuvj5lanqy
Response by Specialist and Generalist Natural Enemies to Agroecosystem Diversification: A Selective Review
1986
Environmental Entomology
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But diversification may also reduce enemy searching efficiency and destabilize predator jprey interactions. ...
Effects of agroecosystem diversification on searching behavior and success of arthropod natural enemies are poorly understood. ...
species, especially for specialist enemies that are adapted to search in dense, low-diversity stands. ...
doi:10.1093/ee/15.3.456
fatcat:mjrmqkqkdffkpok5drz7ioloqu
Discovery of Novel DENN Proteins: Implications for the Evolution of Eukaryotic Intracellular Membrane Structures and Human Disease
2012
Frontiers in Genetics
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Thus, the origin of the longin domains from this ancient GTPase-interacting domain, concomitant with the radiation of GTPases, especially of the Rab clade, played an important role in the dynamics of eukaryotic ...
The tripartite DENN module, comprised of a N-terminal longin domain, followed by DENN, and d-DENN domains, is a GDP-GTP exchange factor (GEFs) for Rab GTPases, which are regulators of practically all membrane ...
For most searches a cut-off e-value of 0.01 was used to assess significance. ...
doi:10.3389/fgene.2012.00283
pmid:23248642
pmcid:PMC3521125
fatcat:ikfa27myjvhajgeb4bdqo3d25a
ACO Modeling: Organizational Modeling of an Ant Multi-Colonies Optimization Approach
2015
International Journal of Computer Applications
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The Traditional modeling techniques fail to capture interactions between loosely coupled aspects of a complex system. ...
the roles Intensif y and Diversif y. ...
When observing a colony of ants looking for food, one realizes that it solves problems such as the search for the shortest path. Ants solve complex problems by relatively simple mechanisms. ...
doi:10.5120/19859-1824
fatcat:uhv6da5nmbbwvpiftaafv6dzxa
Phylogenetic congruence between Neotropical primates and plants is driven by frugivory
2021
Ecology Letters
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Seed dispersal benefits plants and frugivores, and potentially drives co-evolution, with consequences to diversification evidenced for, e.g., primates. ...
We tested for phylogenetic congruences in primate-plant interactions and showed strong co-phylogenetic signals across Neotropical forests, suggesting that both primates and plants share evolutionary history ...
DI SC US SION Understanding the eco-evolutionary dynamics of species interactions remains challenging due to intrinsic complexities involved in mutualisms, especially in speciesrich communities (Hall ...
doi:10.1111/ele.13918
pmid:34775664
fatcat:jofbwwfrqzbzhcwxj4lxurwmy4
Modelling coevolution in ecological networks with adaptive dynamics
2017
Mathematical methods in the applied sciences
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complex adaptive systems. ...
Coevolution has since Darwin been considered a potential path leading to adaptive diversification that could explain the emergence of ecological networks of biotic interactions that harbour multiple interacting ...
We are grateful to the following colleagues for inspiration discussions on the topic: Ulf Dieckmann, Åke Brännström, Feng Zhang, Anton Pauw, Jaco Le Roux, John Terblanche, Fabio Dercole, Fabio Della Rossa ...
doi:10.1002/mma.4612
fatcat:33il5a6ud5dmlcmjwsznnsmjm4
Antecedents of Technological Diversification: A Resource Dependence Logic
2019
Journal of Open Innovation: Technology, Market and Complexity
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The theoretical implications for resource dependence theory and diversification research are discussed. ...
The empirical results, based on a panel data analysis of Chinese listed firms, suggest that environmental dynamism positively relates to technological diversification, while environmental munificence negatively ...
Following Aldrich [38] , Dess and Beard [10] unpack the environment into three dimensions: dynamism, munificence and complexity. ...
doi:10.3390/joitmc5040080
fatcat:edri7tq6orcwnh6ckkjjzr4u6y
Templated Search over Relational Databases
2014
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management - CIKM '14
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Primary reasons for this are dispersed data repositories, requirements for schema knowledge, and difficulties in using complex user interfaces. ...
We show that the Templated Search paradigm renders the potentially complex underlying data sources intelligible and easily navigable. ...
Scalable Greedy Diversification on Trees Now we show that the time complexity of the greedy algorithm (second row of Table 1 ) for solving Problem 3 on trees can be significantly improved. ...
doi:10.1145/2661829.2661883
dblp:conf/cikm/ZouziasVH14
fatcat:wlkchibrbrayhoke2r7fosi4xq
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