Influential Slot and Tag Selection in Billboard Advertisement
Dildar Ali, Suman Banerjee, Yamuna Prasad

TL;DR
This paper introduces a new NP-hard problem for selecting influential billboard slots considering context-specific influence probabilities, proposing greedy algorithms with approximation guarantees and validating them on real datasets.
Contribution
It formulates the context-dependent influential billboard slot selection problem, proves its complexity, and develops novel greedy algorithms with theoretical guarantees and practical validation.
Findings
The proposed algorithms outperform baselines in real-world datasets.
The influence function exhibits bi-monotonicity and bi-submodularity.
The methods achieve significant influence maximization with manageable computational overhead.
Abstract
The selection of influential billboard slots remains an important problem in billboard advertisements. Existing studies on this problem have not considered the case of context-specific influence probability. To bridge this gap, in this paper, we introduce the Context Dependent Influential Billboard Slot Selection Problem. First, we show that the problem is NP-hard. We also show that the influence function holds the bi-monotonicity, bi-submodularity, and non-negativity properties. We propose an orthant-wise Stochastic Greedy approach to solve this problem. We show that this method leads to a constant-factor approximation guarantee. Subsequently, we propose an orthant-wise Incremental and Lazy Greedy approach. In a generic sense, this is a method for maximizing a bi-submodular function under the cardinality constraint, which may also be of independent interest. We analyze the performance…
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Taxonomy
TopicsConsumer Market Behavior and Pricing · Human Mobility and Location-Based Analysis · Data Management and Algorithms
