Retrieval Augmented Cross-Modal Tag Recommendation in Software Q A Sites
CoRR(2024)
摘要
Posts in software Q&A sites often consist of three main parts: title,
description and code, which are interconnected and jointly describe the
question. Existing tag recommendation methods often treat different modalities
as a whole or inadequately consider the interaction between different
modalities. Additionally, they focus on extracting information directly from
the post itself, neglecting the information from external knowledge sources.
Therefore, we propose a Retrieval Augmented Cross-Modal (RACM) Tag
Recommendation Model in Software Q&A Sites. Specifically, we first use the
input post as a query and enhance the representation of different modalities by
retrieving information from external knowledge sources. For the
retrieval-augmented representations, we employ a cross-modal context-aware
attention to leverage the main modality description for targeted feature
extraction across the submodalities title and code. In the fusion process, a
gate mechanism is employed to achieve fine-grained feature selection,
controlling the amount of information extracted from the submodalities.
Finally, the fused information is used for tag recommendation. Experimental
results on three real-world datasets demonstrate that our model outperforms the
state-of-the-art counterparts.
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