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--- cqp:practice-complex-queries-solutions [2024/06/13 15:53] – add solutions aamoakuh
+++ cqp:practice-complex-queries-solutions [2024/07/08 16:03] (current) – add %% to code in [Exercise 6] aamoakuh
@@ Line 1: / Line 1: @@
+**[ [[cqp:introduction|Collection: Introduction to CQP]] ]**
+===== Formulating Complex Queries – Solutions =====
+==== Exercise 1 ====
+''%%[class="ADJ"][hw="snow|rain" & class="SUBST"]%%'' (82 matches)
+''%%[pos="AJ."][hw="snow|rain" & pos="NN."]%%'' (63 matches)
+==== Exercise 2 ====
+''%%[word="going" %c][hw="to"][class="VERB"]%%'' (1583 matches)
+==== Exercise 3 ====
+''%%[pos="XX0"][word="about"][word="to"]%%'' (6 matches)
+==== Exercise 4 ====
+The exact name of the of the value of the structural attribute is ''W:ac:medicine''.
+This query should return **61 matches** in the BNC-BABY:
+''%%[hw="heart"] :: match.text_genre="W:ac:medicine"%%''
+**Which common constructions can be seen in the matches?**
+From a cursory look at the concordance, one could see that “heart failure” is common in //medical texts//, whereas constructions such has "her heart sank", "her heart leaped", "her heart dropped" seem more common in //prose//.
+==== Exercise 5 ====
+There are two ways to match past participles via pos-tags in the BNC-BABY, as the CLAWS-5 tagset differentiates between the past participle of the verbs //to have// ''VHN'', //to be// ''VBN'' and //to do// ''VDN'' and the participle of "lexical verbs" ''VVN'', i.e. all others.
+Depending on whether you included the past participles of non-lexical verbs or not, you might end up with either one of the constructions.
+''%%[hw="have"][pos="VVN"]%%'' (22699 matches)
+''%%[hw="have"][pos="VVN|VHN|VBN|VDN"]%%'' (33527 matches)
+To generate a frequency list of lemmas in the participle slot: ''count Last by word %c on match[1]''
+First ten entries of the frequency list of the first query:
+    got
+     gone
+     seen
+     come
+     made
+     taken
+     said
+     become
+     given
+     told
+First ten entries of the frequency list of the second query:
+    been
+    got
+    had
+     done
+     gone
+     seen
+     come
+     made
+     taken
+     said
+==== Exercise 6 ====
+This query may have to be adjusted gradually, these are possible ways to start out:
+''%%[hw="drive"][pos="PNP|NP0"]%%'' (92 matches)
+''%%[hw="drive"][class="SUBST"][class="ADJ"]%%'' (53 matches)
+The previous queries match too many sentences that aren’t instantiations of the constructions. This is a possible way to narrow it down to people in the noun slot. Note that ''PNP'' is the pos-tag for personal pronouns and ''NP0'' is the pos-tag for proper nouns, like //Michael// or //NHS//:
+''%%[hw="drive"][pos="PNP|NP0"][class="ADJ"]%%'' (13 matches)
+**Which of the construction’s slots remain the same, which are variable?**
+The lemma //drive// stays the same, the host-class is adjective. Note, however, that this query would not match instantiations like "driving me bananas".
+**What is the meaning of the construction?**
+To cause someone to "lose their mind", as it were, to be angry or upset.
+==== Exercise 7 ====
+Query for //venomous//: ''%%[hw="venomous"][class="SUBST"]%%'' (91 matches)
+First ten entries of the frequency list for //venomous//:
+	count Last by hw on match[1]
+	snake
+	animal
+	attack
+	bite
+	look
+	shot
+	spine
+	creature
+	dart
+	glance
+Query and first ten entries of the frequency list for //toxic// (956 matches):
+	[hw="toxic"][class="SUBST"]
+	waste
+	chemical
+	substance
+	shock
+	effect
+	gas
+	fume
+	material
+	metal
+	emission
+Query and first ten entries of the frequency list for //poisonous// (290 matches):
+	[hw="poisonous"][class="SUBST"]
+	gas
+	snake
+	plant
+	substance
+	chemical
+	waste
+	animal
+	creature
+	fume
+	atmosphere
+	bite
+	secretion
+**Compare lists. What differences do you see?**
+  - //venoumous// tends to occur with animals or animal-related words
+  - //toxic// tends to occur with substances and inanimate objects
+  - //poisonous// tends to occur with both substances and animals
+==== More exercises ====
+Continue here: [[cqp:repetition-operators|6b. Queries with Repetition Operators (RegEx)]].