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The staggering feats of AI systems have brought to attention the topic of AI Alignment: aligning a "superintelligent" AI agent's actions with humanity's interests. Many existing frameworks/algorithms in alignment study the problem on a…

Machine Learning · Computer Science 2024-10-22 Hong Jun Jeon , Benjamin Van Roy

Exploration in high-dimensional, continuous spaces with sparse rewards is an open problem in reinforcement learning. Artificial curiosity algorithms address this by creating rewards that lead to exploration. Given a reinforcement learning…

Machine Learning · Computer Science 2023-11-08 Alexander Nedergaard , Matthew Cook

Threat assessment is an important part of level 3 data fusion. Here we study a subproblem of this, worst-case risk assessment. Inspired by agent-based models used for simulation of trail formation for urban planning, we use ant colony…

Adaptation and Self-Organizing Systems · Physics 2007-05-23 Pontus Svenson , Hedvig Sidenbladh

The paper attempts to find numerical solutions of Diophantine equations, a challenging problem as there are no general methods to find solutions of such equations. It uses the metaphor of foraging habits of real ants. The ant colony…

Neural and Evolutionary Computing · Computer Science 2013-06-06 Siby Abraham , Sugata Sanyal , Mukund Sanglikar

We study the fundamental problem of approximate nearest neighbor search in $d$-dimensional Hamming space $\{0,1\}^d$. We study the complexity of the problem in the famous cell-probe model, a classic model for data structures. We consider…

Data Structures and Algorithms · Computer Science 2016-02-16 Mingmou Liu , Xiaoyin Pan , Yitong Yin

We consider the problem of exploring an unknown tree with a team of $k$ initially colocated mobile agents. Each agent has limited energy and cannot, as a result, traverse more than $B$ edges. The goal is to maximize the number of nodes…

Data Structures and Algorithms · Computer Science 2018-02-20 Evangelos Bampas , Jérémie Chalopin , Shantanu Das , Jan Hackfeld , Christina Karousatou

Augmenting neural machine translation with external memory at decoding time, in the form of k-nearest neighbors machine translation ($k$-NN MT), is a well-established strategy for increasing translation performance. $k$-NN MT retrieves a…

Computation and Language · Computer Science 2025-09-23 Evgeniia Tokarchuk , Sergey Troshin , Vlad Niculae

We study the classical problem introduced by R. Isaacs and S. Gal of minimizing the time to find a hidden point $H$ on a network $Q$ moving from a known starting point. Rather than adopting the traditional continuous unit speed path…

Optimization and Control · Mathematics 2016-08-19 Steve Alpern , Thomas Lidbetter

Treasure hunt is the task of finding an inert target by a mobile agent in an unknown environment. We consider treasure hunt in geometric terrains with obstacles. Both the terrain and the obstacles are modeled as polygons and both the agent…

Computational Geometry · Computer Science 2020-01-07 Andrzej Pelc , Ram Narayan Yadav

Gradual pattern extraction is a field in (KDD) Knowledge Discovery in Databases that maps correlations between attributes of a data set as gradual dependencies. A gradual dependency may take a form of "the more Attribute K , the less…

Databases · Computer Science 2022-09-01 Dickson Odhiambo Owuor , Thomas Runkler , Anne Laurent , Joseph Orero , Edmond Menya

We consider the problem of search through comparisons, where a user is presented with two candidate objects and reveals which is closer to her intended target. We study adaptive strategies for finding the target, that require knowledge of…

Machine Learning · Computer Science 2012-06-22 Amin Karbasi , Stratis Ioannidis , laurent Massoulie

We consider discrete dynamical systems of "ant-like" agents engaged in a sequence of pursuits on a graph environment. The agents emerge one by one at equal time intervals from a source vertex $s$ and pursue each other by greedily attempting…

Discrete Mathematics · Computer Science 2019-08-09 Michael Amir , Alfred M. Bruckstein

We study the problem of collective tree exploration (CTE) where a team of $k$ agents is tasked to traverse all the edges of an unknown tree as fast as possible, assuming complete communication between the agents. In this paper, we present…

Data Structures and Algorithms · Computer Science 2023-11-03 Romain Cosson , Laurent Massoulié

The most well known and ubiquitous clustering problem encountered in nearly every branch of science is undoubtedly $k$-means: given a set of data points and a parameter $k$, select $k$ centres and partition the data points into $k$ clusters…

Data Structures and Algorithms · Computer Science 2017-01-11 Zachary Friggstad , Mohsen Rezapour , Mohammad R. Salavatipour

We present a dynamic algorithm for solving the Longest Common Subsequence Problem using Ant Colony Optimization Technique. The Ant Colony Optimization Technique has been applied to solve many problems in Optimization Theory, Machine…

Artificial Intelligence · Computer Science 2013-07-09 Arindam Chaudhuri

Colonies of the arboreal turtle ant create networks of trails that link nests and food sources on the graph formed by branches and vines in the canopy of the tropical forest. Ants put down a volatile pheromone on edges as they traverse…

Data Structures and Algorithms · Computer Science 2023-07-04 Shivam Garg , Kirankumar Shiragur , Deborah M. Gordon , Moses Charikar

Avoiding redundancy in query results has been extensively studied in relational databases and information retrieval, yet its implications for data lakes remain largely unexplored. We bridge this gap by investigating how to discover…

Databases · Computer Science 2026-03-10 Besat Kassaie , Renée J. Miller

Many species of ants forage by building up two files: an outbound one moving from the nest to the foraging area, and a nestbound one, returning from it to the nest. Those files are eventually submitted to different threats. If the danger is…

Adaptation and Self-Organizing Systems · Physics 2015-12-15 F. Tejera , E. Altshuler

Being able to objectively characterise the intrinsic complexity of behavioural patterns resulting from human or animal decisions is fundamental for deconvolving cognition and designing autonomous artificial intelligence systems. Yet…

Quantitative Methods · Quantitative Biology 2022-12-22 Hector Zenil , James A. R. Marshall , Jesper Tegnér

Colonies of ants are systems of interacting living organisms in which interactions between individuals and their environment can produce a reliable performance of a complex tasks without the need for centralised control. Particularly…

Biological Physics · Physics 2015-08-28 Miriam Malíčková , Christian Yates , Katarína Boďová