False negatives

[sdspieg]

We have applied this library to a corpus of ours and have found the following issues

• it doesn't annotate sentences without "that"
  • Amidst the turmoil, some seasoned diplomats have expressed concerns, deducing Russia's strategy to be more intricate than openly acknowledged.
  • Notwithstanding the public opinion, those well-versed in Russian politics argue its goals remain consistent, albeit strategically veiled.
  • As per the insights from senior defense officials, Moscow's endeavors in the space sector are a clear testament to its global ambitions.
  • Taking into consideration Russia's recent actions, a majority of European leaders have suggested stronger sanctions might be the answer.
  • Russia, geopolitical analysts contend, is reshaping its stance towards Middle Eastern affairs.
  • From various reports, it seems Russia is keen on bridging gaps with European neighbors.
  • Russia's Arctic strategy, as defense analysts have pointed out, is both economic and military.
  • Global leaders have inferred from Russia's moves that a new cold war era might be looming.
  • Notably, Russia, defense insiders suggest, is widening its influence in Asia-Pacific regions.
• it doesn't annotate sentences with unusual CUE
  • There's speculation among international experts that Russia might be diversifying its energy sources.
• Bad annotation with "according to", but there are good ones as well
  • According to some sources source , the Russian administration believes cue economic ties with Africa to be vital content .
  • It's content , according to cue some political analysts source , a move to consolidate power that Russia is exhibiting.
• Bad annotated or NOT annotated when CONTENT is divided
  • Russia's moves in the Baltic sea, intelligence experts source hint cue , might be about more than naval exercises content .
  • Russian tactics, military scholars often emphasize, are adaptive to changing geopolitical climates.
• it doesn't annotate complex SOURCE
  • Valentina Tereshkova source , the famous cosmonaut, has often said cue she sees potential for greater space collaboration between countries content .
  • Sergey Naryshkin source , the head of Russia's Foreign Intelligence Service, hinted cue that there's more to the story than what's public content .
  • Irina Bokova source , former Director-General of UNESCO, has argued cue that cultural exchanges can bridge many international divides content 
• Other bad annotations:
  • Is Russia diversifying its trade? Some economic experts source think cue so content .
  • Concerning missile defense systems source , Russian military theorists contend cue that it's a move for deterrence content , not first strike.
  • I source once heard that Garry Kasparov commented on the political landscape, claiming cue that change is always possible with collective effort content .

Any idea whether anything could,be done about this?

[jcnewell]

Unfortunately there is no easy solution. You could annotate the problem cases, add them to the PARC dataset and then retrain the classifiers but this might not eliminate all the errors.