Saurabh Sohoney


Learning Geolocations for Cold-Start and Hard-to-Resolve Addresses via Deep Metric Learning
Govind . | Saurabh Sohoney
Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing: Industry Track

With evergrowing digital adoption in the society and increasing demand for businesses to deliver to customers doorstep, the last mile hop of transportation planning poses unique challenges in emerging geographies with unstructured addresses. One of the crucial inputs to facilitate effective planning is the task of geolocating customer addresses. Existing systems operate by aggregating historical delivery locations or by resolving/matching addresses to known buildings and campuses to vend a high-precision geolocation. However, by design they fail to cater to a significant fraction of addresses which are new in the system and have inaccurate or missing building level information. We propose a framework to resolve these addresses (referred to as hard-to-resolve henceforth) to a shallower granularity termed as neighbourhood. Specifically, we propose a weakly supervised deep metric learning model to encode the geospatial semantics in address embeddings. We present empirical evaluation on India (IN) and the United Arab Emirates (UAE) hard-to-resolve addresses to show significant improvements in learning geolocations i.e., 22% (IN) & 55% (UAE) reduction in delivery defects (where learnt geocode is Y meters away from actual location), and 43% (IN) & 90% (UAE) reduction in 50th percentile (p50) distance between learnt and actual delivery locations over the existing production system.


All Words Domain Adapted WSD: Finding a Middle Ground between Supervision and Unsupervision
Mitesh Khapra | Anup Kulkarni | Saurabh Sohoney | Pushpak Bhattacharyya
Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics

Value for Money: Balancing Annotation Effort, Lexicon Building and Accuracy for Multilingual WSD
Mitesh Khapra | Saurabh Sohoney | Anup Kulkarni | Pushpak Bhattacharyya
Proceedings of the 23rd International Conference on Computational Linguistics (Coling 2010)

CFILT: Resource Conscious Approaches for All-Words Domain Specific WSD
Anup Kulkarni | Mitesh Khapra | Saurabh Sohoney | Pushpak Bhattacharyya
Proceedings of the 5th International Workshop on Semantic Evaluation