Papers with semantic parser
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| Challenge: | Recent work has found success with machine translation or zero-shot methods . however, these approaches can struggle to model how native speakers ask questions . |
| Approach: | They propose a meta-learning algorithm to leverage minimal annotated examples in new languages for few-shot cross-lingual semantic parsing. |
| Outcome: | The proposed approach trains a parser with maximum sample efficiency in six languages on ATIS. |
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| Challenge: | Recent work has shown that compositional generalization on COGS is difficult and complex. |
| Approach: | They propose a compositional semantic parser that solves compositional generalization on COGS dataset. |
| Outcome: | The AM parser solves compositional generalization on the COGS dataset. |
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| Challenge: | Existing approaches to parse natural language queries are limited by lack of labeled data and constrained decoding. |
| Approach: | They propose a semantic parsing framework with the dual learning algorithm that makes full use of data through a dual-learning game. |
| Outcome: | The proposed approach achieves state-of-the-art performance on ATIS dataset and gets competitive performance on overnight dataset. |
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| Challenge: | UCCA-annotated datasets have been released in English, French, and German . a semi-automatic annotation approach is used to annotate the datasets . |
| Approach: | They propose to use an external semantic parser to annotate Turkish sentences . they use the same parsers for evaluation purposes and conducted experiments . |
| Outcome: | The proposed dataset is the first UCCA-annotated Turkish dataset . the results show that the parser can improve on the initial annotations . |
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| Challenge: | Semantic parsing aims to map natural language utterances into structured meaning representations. |
| Approach: | They propose a modular platform that allows developers to build semantic parser from scratch. |
| Outcome: | The proposed platform achieves competitive performance on semantic parsing task and improves performance of a business search engine. |
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| Challenge: | a large amount of training data is needed to understand multilingual semantic parsing models. |
| Approach: | They propose to use machine translation to bootstrap multilingual training data from English data. |
| Outcome: | The proposed model outperforms existing models on human-written sentences and the state-of-the-art models on the public NLMaps dataset. |
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| Challenge: | Existing methods to train a parser to perform zero-shot learning are limited by the lack of training data. |
| Approach: | They propose a decomposition-based method to unify the sentence structures of questions . their method can generalize to natural questions with novel text expressions . |
| Outcome: | The proposed method improves on synthetic data and on complex web questions with novel expressions. |
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| Challenge: | Existing semantic parsers decode syntax using a top-down depth-first traversal. |
| Approach: | They propose a semi-autoregressive bottom-up parser that constructs at decoding step t the top-K sub-trees of height t. |
| Outcome: | The proposed method achieves 2.2x speed-up in decoding time and 5x speed up in training time on a zero-shot semantic parsing benchmark. |
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| Challenge: | Recent systems for converting natural language descriptions into regexes have achieved some success, but typically deal with short, formulaic text and can only produce simple regexe. |
| Approach: | They propose a framework for regex synthesis in a context where both natural language and examples are available. |
| Outcome: | The proposed framework achieves state-of-the-art on two prior datasets and a real-world dataset, which existing neural systems completely fail on. |
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| Challenge: | Recent advances in semantic parsing are limited to English but professional translation can be prohibitively expensive. |
| Approach: | They adapt a semantic parser trained on a single language to new languages and multiple domains with minimal annotation. |
| Outcome: | The proposed approach achieves parsing accuracy within 2% of translation using only 50% of training data. |
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| Challenge: | Existing methods for predicting state of a conversation are limited to a few languages . a method that can be applied to other languages will benefit the large population of speakers of many other languages. |
| Approach: | They propose to automatically translate large-scale dialogue data sets in one language to produce an effective semantic parser for other languages using machine translation. |
| Outcome: | The proposed model reduces the compounding effect of translation errors without harming the accuracy in practice. |
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| Challenge: | Current conversational agents such as Siri, Alexa or Google Assistant do not cater to the specific phrasing of a user or the specific action. |
| Approach: | They propose a semantic parser that generalizes to out-of-domain examples by adapting the logical forms of seen utterances to fit an unseen utterant. |
| Outcome: | The proposed parser improves on one-shot parsing by 68.8% compared to baselines . it adapts the logical forms of seen utterances to fit the unseen utterant . |
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| Challenge: | Various formal meaning representations have been developed corresponding to different semantic theories. |
| Approach: | They propose a method to learn a semantic parser from multiple datasets by treating annotations for unobserved formalisms as latent structured variables. |
| Outcome: | The proposed approach improves on existing methods using unobserved formalisms and underlying corpora. |
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| Challenge: | Semantic parsing is a key component for understanding user utterances in voice assistants . however, most research on disfluent speech is focused on written text . |
| Approach: | They investigate semantic parsing of disfluent speech with the ATIS dataset . they add real and synthetic disfluencies at training time to improve model performance . |
| Outcome: | The proposed parser outperforms the state-of-the-art parsers on the ATIS dataset in terms of performance and accuracy. |
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| Challenge: | Existing semantic parsers score intents and slots as labels of nesting nodes, but decode a valid tree globally. |
| Approach: | They propose a span-based semantic parser for parsing compositional utterances into Task Oriented Parse (TOP) the parsers score labels of the tree nodes covering each token span independently, but decode a valid tree globally. |
| Outcome: | The proposed parser outperforms previous methods on the TOP dataset in accuracy and training speed. |
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| Challenge: | training semantic parsers from weak supervision complicates training in two ways . spurious programs that accidentally lead to a correct denotation add noise to training . |
| Approach: | They propose to use tokens in both language utterance and program to map denotations to executable programs. |
| Outcome: | The proposed method improves performance and reaches 82.5% accuracy compared to the best reported accuracy so far. |
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| Challenge: | Abstract Meaning Representations (AMRs) are graphs which describe the predicate-argument structure of a sentence. |
| Approach: | They propose a semantic parser which parses strings into tree representations of the compositional structure of an AMR graph. |
| Outcome: | The proposed parser outperforms baselines and standard neural techniques for supertagging and dependency tree parsing. |
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| Challenge: | a semantic parser converts explanations into programmatic labeling functions . a standard protocol for obtaining a labeled dataset provides only one bit of information per example . |
| Approach: | They propose a framework where an annotator provides an explanation for each labeling decision . they use a semantic parser to convert these explanations into programmatic labeling functions . |
| Outcome: | The proposed framework trains classifiers faster by providing explanations instead of labels . the proposed framework is based on a rule-based semantic parser . |
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| Challenge: | Using question generation, we learn a semantic parser with 30% of the supervised training data. |
| Approach: | They propose to use question generation to learn a semantic parser with less supervised training data. |
| Outcome: | The proposed method improves the state-of-the-art model with less training data. |
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| Challenge: | Current chart-based Question Answering approaches address structural, visual or simple data retrieval-type questions with fixed-vocabulary answers. |
| Approach: | They employ a neural semantic parser to transform NL questions into SQL programs . they use a probabilistic context-free grammar to generate NL queries from a schema . |
| Outcome: | The proposed approach achieves State-of-the-Art (SOTA) results on reasoning-based queries. |
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| Challenge: | Existing methods for training semantic parsers in new domains require expensive supervision and lack the ability to generalize to new domain. |
| Approach: | They propose a zero-shot approach to parsing utterances in unseen domains . they map an utterant to an abstract, domain independent, logical form and replace slots with KB constants based on lexical alignment scores and global inference . |
| Outcome: | The proposed model achieves 53.4% accuracy on 7 domains in the OVERNIGHT dataset, significantly better than other zero-shot baselines and performs as good as a parser trained on over 30% of the target domain examples. |
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| Challenge: | Existing logical forms require a user to be familiar with the underlying structure to learn a semantic parser. |
| Approach: | They propose a method for training semantic parsers from natural language feedback . they use natural language inputs to parse feedback to leverage it as a form of supervision . |
| Outcome: | The proposed algorithm learns a semantic parser from users’ corrections expressed in natural language. |
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| Challenge: | Existing methods for synthesizing data for semantic parsing require handcrafted rules to synthesize new programs or utterance-program pairs. |
| Approach: | They propose to use a (non-neural) PCFG to model the composition of programs and a BART-based translation model to map a program to an utterance to learn a generative model from existing data. |
| Outcome: | The proposed model can be efficiently learned from existing data on benchmarks of GeoQuery and Spider. |
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| Challenge: | Generalization of models to out-of-distribution data has sparked substantial interest . compositional generalization is the ability to systematically generalize to test examples composed of components seen during training . |
| Approach: | They propose to extend compositional generalization in semantic parsing by using contextual representations and training attention to agree with pre-computed token alignments. |
| Outcome: | The proposed extensions improve compositional generalization on OOD compositions. |
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| Challenge: | Task-oriented dialogue systems often assist users with personal or confidential matters . a lack of privacy controls prevents developers from observing actual usage . authors propose a method to generate realistic user utterances synthetically without compromising privacy . |
| Approach: | They propose a method which generates latent semantic parses and generates utterances based on the parses. |
| Outcome: | The proposed method improves MAUVE by 2.5X and parse tree function-type overlap by 1.3X . it also shows gains of 8.5% points on its accuracy with the new feature . |
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| Challenge: | a new method for parsing sentences using captioned videos is being developed . we use video clips to ground the semantics of language, but without annotations . |
| Approach: | They develop a semantic parser that is trained in a grounded setting using captioned videos . they use a corpus of sentences paired with videos without other annotations to train it . |
| Outcome: | The proposed parser recovers the meaning of English sentences despite no annotations . learning a grounded semantic parsers can expand the range of data that parseurs can be trained on . |
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| Challenge: | Logical reasoning is an important task for artificial intelligence, says a new study . many prompting-based strategies to enable large language models fail in subtle and unpredictable ways. |
| Approach: | They propose to reformulate logical reasoning tasks by leveraging large language models . they use a modular neurosymbolic programming approach to translate premises and conclusions from natural language to logic . |
| Outcome: | The proposed approach outperforms open-source models on FOLIO and ProofWriter while showing distinct failure modes. |
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| Challenge: | Existing approaches face challenges including complex question understanding and lack of large end-to-end training datasets. |
| Approach: | They propose a modular knowledge base question answering system that leverages AMR parses for task-independent question understanding. |
| Outcome: | The proposed system achieves state-of-the-art performance on two prominent KBQA datasets based on DBpedia. |
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| Challenge: | Large language models can answer many questions correctly, but can also hallucinate and give wrong answers. |
| Approach: | They propose a question-answering benchmark for Wikidata that uses SPARQL to ground large language models. |
| Outcome: | The proposed method outperforms the state-of-the-art for QALD-7 by 3.6% in F1 score. |
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| Challenge: | Annotating a large dataset with annotations is costly and infeasible. |
| Approach: | They propose an expert-in-the-loop training framework that utilizes contrastive natural language explanations to improve data efficiency in learning. |
| Outcome: | The proposed framework outperforms baseline models trained with 40-100% more training data on bird species classification and social relationship classification tasks. |
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| Challenge: | Existing datasets to map natural language text into SQL are limited in their use in question-to-sql mapping. |
| Approach: | They propose to use a Chinese-based semantic parser to map natural language text into SQL. |
| Outcome: | The proposed dataset compares a character-based parser with a word embedding scheme for Chinese . the results show that the parsers are subject to segmentation errors and cross-lingual embedders are useful for text-to-SQL mapping. |
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| Challenge: | Existing semantic parsers only select a set of database constants at training time . current models only consider local information, not global ones . |
| Approach: | They propose a semantic parser that globally reasons about the structure of the query to make a more contextually-informed selection of database constants. |
| Outcome: | The proposed model increases accuracy from 39.4% to 47.4% on a zero-shot semantic parsing dataset with complex databases. |
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| Challenge: | Recent advances in Large Language Models (LLMs) have led to substantial interest in their application to commonsense reasoning tasks. |
| Approach: | They propose a logical reasoning framework that integrates commonsense knowledge with a verifiable logical framework that mitigates hallucinations and facilitates debugging. |
| Outcome: | The proposed framework improves on three language-based reasoning tasks and improves accuracy and reasoning correctness. |
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| Challenge: | Existing methods to train a semantic parser from weak supervision focus on exploiting similarities between examples based on domain-specific knowledge. |
| Approach: | They propose a domain-agnostic filtering mechanism based on program execution results to identify and filter out programs with significantly different semantics from the other programs. |
| Outcome: | The proposed method improves the performance of existing weakly-supervised parsers by incorporating a majority vote on the program search results. |
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| Challenge: | Complex question answering (CQA) requires large amounts of human-annotated data . learning effective CQA requires large amount of human annotated . |
| Approach: | They propose to map human-generated questions into unnatural machine-generated ones . they generate synthetic pairs and train a parser that associates synthetic questions with their corresponding action sequences. |
| Outcome: | The proposed model outperforms the state-of-the-art model trained on human-labeled data. |
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| Challenge: | Recent years have seen an increasing number of applications that have a natural language interface, such as chatbots or "intelligent personal assistants" |
| Approach: | They propose a new training algorithm that trains a semantic parser on examples from a set of source domains and augment it with features and a logical form candidate filtering logic to support zero-shot adaptation. |
| Outcome: | The proposed framework performs better than a non-adapted parser with features and logical form candidate filtering logic. |
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| Challenge: | Semantic parsing over multiple knowledge bases requires high-quality annotations of (utterance, program) pairs. |
| Approach: | They propose a framework to build a unified multi-domain enabled semantic parser with weak supervision. |
| Outcome: | The proposed model improves performance by 20% on the Overnight dataset. |
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| Challenge: | a new toolkit for localizing a semantic parser for a language is proposed . the proposed approach is based on a method for question answering systems . |
| Approach: | They propose a toolkit that leverages Neural Machine Translation systems to localize a semantic parser for a new language. |
| Outcome: | The proposed approach outperforms state-of-the-art methods in 10 new languages . it can be deployed in restaurants and hotels in less than 24 hours . |
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| Challenge: | Knowledge Graphs (KGs) are becoming increasingly popular as a means of storing structured data. |
| Approach: | They propose a method to generate training data for semantic parsing over Property Graphs without human annotations by matching tree patterns to the KG and paraphrasing the query program with an LLM. |
| Outcome: | The proposed method generates training data for parsing over Property Graphs without human annotations on two property graph benchmarks utilizing the Cypher query language. |
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| Challenge: | Semantic parsers map text to logical forms, which can then be used by downstream components to fulfill an action. |
| Approach: | They propose a simple sentence representation that emphasizes unexpected words . they formalize domain-adjacency problem and propose logical form representations . |
| Outcome: | The proposed approach improves the performance of a downstream semantic parser on in-domain and domain-adjacent instances. |
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| Challenge: | Existing approaches to handle table-related tokens before the semantic parser are not efficient . existing approaches ignore handling table- related tokens or use deterministic approaches based on string-match or word embedding similarity. |
| Approach: | They propose a more efficient approach to handle table-related tokens before the parser . they propose tagging a sequential tabbing problem and an implicit supervision approach . |
| Outcome: | The proposed approach significantly outperforms deterministic approaches. |
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| Challenge: | Existing semantic parsers are usually engineered for each application environment, but they struggle when deployed to a new database. |
| Approach: | They propose a method to adapt existing semantic parsers to new environments . they propose combining a forward semantic parsed with a backward utterance generator to synthesize data in the new environment and select cycle-consistent examples to adapt the parser. |
| Outcome: | The proposed procedure outperforms data-augmentation and improves execution accuracy on the Spider, Sparc, and CoSQL zero-shot semantic parsing tasks. |
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| Challenge: | Existing methods for learning semantic parsers are expensive and tedious . despite the widespread applications, bootstrapping and fine-tuning is tedious a task . |
| Approach: | They propose an alternative method for learning semantic parsers directly from users . they propose an annotation-efficient imitation learning algorithm that iteratively collects new datasets . |
| Outcome: | The proposed method is cost-effective and shows promising performance on the text-to-SQL problem. |
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| Challenge: | a new type of graph-based meaning representation allows analysis for scope-related phenomena. |
| Approach: | They propose variable-in-situ logico-semantic graphs to bridge gap between semantic graph and logical form parsing. |
| Outcome: | The proposed graph-based meaning representation achieves 92.39% accuracy in terms of elementary dependency match . the output of the proposed parser is highly coherent . |
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| Challenge: | Existing semantic parsing models struggle to generalize to unseen database schemas. |
| Approach: | They propose a framework to address schema encoding, schema linking, and feature representation within a text-to-SQL encoder. |
| Outcome: | The proposed framework boosts the match accuracy to 57.2% on the spider dataset, surpassing its best counterparts by 8.7%. |
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| Challenge: | Existing methods for parsing knowledge-base questions into executable logical forms have not been successful on complex KBQA. |
| Approach: | They propose a new semantic parser called KoPL to model the reasoning processes . they propose 'parse-execute-refine' paradigm to unlock reasoning ability . |
| Outcome: | The proposed parser performs better than the state-of-the-art on complex KBQA . the proposed parsed-execute-refine paradigm can model complex reasoning steps . |
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| Challenge: | Existing neural semantic parsers require a large amount of training data which is expensive and difficult to obtain. |
| Approach: | They propose a framework for a supervised retrieval system based on pretrained language models . they propose ambiguous supervision to improve the precision and coverage of the task . |
| Outcome: | The proposed approach outperforms state-of-the-art zero-shot parsing methods in ambiguous supervision. |
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| Challenge: | Existing text-to-SQL models for complex queries are limited by the syntactic complexity of SQL. |
| Approach: | They propose a question decomposition language that decomposes SQL queries into simple and regular sub-queries. |
| Outcome: | The proposed language decomposes SQL queries into simple and regular sub-queries . it is more accessible to non-experts for complex queries, enabling interpretable output . |