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1 |
| -# Java |
| 1 | +import nltk |
| 2 | +from nltk.corpus import wordnet as wn |
| 3 | +from collections import defaultdict |
| 4 | + |
| 5 | +# Make sure to download WordNet if not already downloaded |
| 6 | +nltk.download('wordnet') |
| 7 | + |
| 8 | +def get_contextual_meaning(letter, surrounding_words): |
| 9 | + """ |
| 10 | + Generate a contextual meaning for a letter based on surrounding words. |
| 11 | + This could use WordNet or a rule-based system to find the meaning of each letter. |
| 12 | + |
| 13 | + Args: |
| 14 | + - letter (str): The letter whose meaning needs to be generated. |
| 15 | + - surrounding_words (list): A list of words surrounding the target word. |
| 16 | + |
| 17 | + Returns: |
| 18 | + - str: A contextual meaning of the letter. |
| 19 | + """ |
| 20 | + # For simplicity, we will get the first synset of a word from WordNet |
| 21 | + # The goal here is to define rules or NLP techniques for contextual meanings |
| 22 | + meanings = [] |
| 23 | + |
| 24 | + # Iterate through the surrounding words to understand the context |
| 25 | + for word in surrounding_words: |
| 26 | + synsets = wn.synsets(word) |
| 27 | + if synsets: |
| 28 | + # Use the first synset's lemma names as potential meanings |
| 29 | + meanings.extend([lemma.name() for lemma in synsets[0].lemmas()]) |
| 30 | + |
| 31 | + # Here, we're simply returning the first meaning related to the letter |
| 32 | + # This could be expanded with domain-specific knowledge |
| 33 | + return meanings[0] if meanings else "unknown" |
| 34 | + |
| 35 | +def encode_word_with_context(word, surrounding_words): |
| 36 | + """ |
| 37 | + Encodes a word into a numeric vector based on the alphabet-to-number mapping, |
| 38 | + but modifies each letter's encoding based on surrounding context. |
| 39 | + |
| 40 | + Args: |
| 41 | + - word (str): The word to encode. |
| 42 | + - surrounding_words (list): List of surrounding words for contextual analysis. |
| 43 | + |
| 44 | + Returns: |
| 45 | + - List[int]: A list of integers representing the word with contextual adjustments. |
| 46 | + """ |
| 47 | + encoded_word = [] |
| 48 | + |
| 49 | + for char in word.upper(): |
| 50 | + if char.isalpha(): |
| 51 | + # Get the contextual meaning of the letter based on surrounding words |
| 52 | + meaning = get_contextual_meaning(char, surrounding_words) |
| 53 | + |
| 54 | + # Adjust the letter encoding based on the contextual meaning |
| 55 | + letter_encoding = (ord(char) - ord('A') + 1) # Basic encoding (1-26) |
| 56 | + |
| 57 | + # Here, we could adjust encoding based on the meaning, for now, we use the length of meaning |
| 58 | + # As a simple proxy, we modify the encoding based on the length of the meaning |
| 59 | + contextual_encoding = letter_encoding + len(meaning) |
| 60 | + encoded_word.append(contextual_encoding) |
| 61 | + else: |
| 62 | + encoded_word.append(0) # For non-alphabetic characters (e.g., spaces) |
| 63 | + |
| 64 | + return encoded_word |
| 65 | + |
| 66 | +# Example usage |
| 67 | +word = "weather" |
| 68 | +surrounding_words = ["temperature", "humidity", "rain"] |
| 69 | +encoded_word_with_context = encode_word_with_context(word, surrounding_words) |
| 70 | +print(f"Contextually encoded '{word}': {encoded_word_with_context}") |
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